CatEye LD570 Reflex Auto LED Taillight

Priced: $30.00 Rated:   - 3 stars out of 5 by 14 reviews.
CatEye LD570 Reflex Auto LED Taillight
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Color: Red
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CatEye LD570 Reflex Auto LED Taillight -

Never worry about turning your taillight on (or off) again! The TL-LD 570 Reflex Auto rear bike light has both optic and motion sensors that determine when to automatically activate this light.



  • One high power center LED + four 5mm LEDs
  • 5 super-bright modes, over 180° of visibility, and various mount options will help you stand out from the crowd and be noticed at night
  • Active safety refers to Cateye's standard taillight technology, while passive safety refers to the outstanding reflector design
  • CPSC reflector built in
  • Includes 2 AAA batteries
  • Darkness and motion are detected and the light turns on
  • Mounts easily on seatpost and includes rear rack mounting bracket
  • Both active and passive safety components combine to help provide high visibility Top 25 Category Product
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Average Price History: Price History
Review RatingNumber of Reviews
Batteries:2 AAA
Battery life flashing:100 hours
Battery life on high:30 hours
Bulb type:LED
Integrated battery:Yes
Number of bulbs:5
Taillight mounting:Seat
Weight:82 grams
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CatEye LD570 Reflex Auto LED Taillight Reviews:

Positive Reviews:

For passive safety, outstanding

The brightness is average but will not wow you except in the dead center of the beam. Definitely bright enough for good visibility at night, but will not grab attention from a half mile like some other new lights can. The angle of good visibility is very wide.

The weakness with the mounting hardware is that the 2 nuts for the rack bracket are nylon. Those pieces could be replaced by the user with standard metal locknuts and matching bolts for a bomb-proof installation. The seat post mount is identical to the ones I have been using with earlier CatEyes for about 15 years which have been rock-solid, even with off-road use on a hardtail mountain bike. My lights have never fallen off, gotten loose, or gotten jolted or bumped out of adjustment. Impressive.

The motion sensor works well. The light sensor activates the light at the beginning of twilight. I prefer to be able to run my lights in daylight. It would be simple enough to defeat the light sensor by covering it with tape, if desired. The switch is very firm and must be held down for a second to turn on or off.

Aside from the Auto feature, the light is good but not outstanding. The auto feature is valuable insurance against forgetting to turn it on. I'd like to see Auto on more lights. This is a light you could mount on the bikes of your kids or spouse and know they will be protected even if they never think about turning it on or off. That is the killer application for this product. Let's face it: if you buy a light and install it, you are safety-conscious enough to turn it on manually when you ride. It's the people that would never buy it that would benefit most from the Auto feature. I am giving it 5 stars for the unique and valuable auto feature. Without auto, it would be 3-4 stars.

Because of the reflector, it also provides some visibility if the light is not working (dead batteries, switched off, etc.). Also available in a white front light version so you could install passive protection all around.
like2hike at REI on 11/11/2011

Not as bright as it appears, but is seen

When looking at this light head on it simply looks amazing. It has a very large area that is very visible. The patterns are very attractive and make me feel that I wont get hit by a car, unless someone just doesn't like me. However, when you point the light at a wall, there isn't much illumination going on. I compared it with my PDW Superflash 1000 and the light from the Cateye was completely blocked out. I think the combination of the two will do just fine and make my wife feel safer about my commutes. The large flashy patterns definitely draws attention; you just can't use it as a flash light.
wmartinhickman at REI on 05/05/2011

Super Bright , Easy to Install

A super bright light and the reflector makes it legal. I often ride with panniers so I can only attach a light or reflector to the rear of my rack. This single unit satisfies both the legal requirement for a reflector, plus adds the extra safety of a bright flashing light. Comes with several options for mounting, including a rack bracket - perfect for my application. The light turns on and off automatically based on the ambient light level and the motion of the bike. No more dead batteries because I forgot to turn it off.
TWLARE at REI on 11/11/2010

Great visiblity

Light has great visibility especially off-center with multiple flash patterns. I use this for city commuting year round. It outperforms other rear lights I've used because of the reflector which allows greater side visibility in traffic than other lights that are typically best when viewed straight on.

The auto on function is a bit finnicky and I use the on/off button manually.
bike communter at REI on 12/12/2010

Great Light but incomplete listing

All descriptions by CatEye says and shows a rear rack mount is included. Therefore adaptable to recumbents as well as seat post bikes. One can use it for motion activated daylight use by placing black tape over the light sensor inside the battery case. Very convenient for safe riding on rural roads with lots of shadows.
dbogjim at REI on 04/04/2011
i like this product
RUSO at REI on 06/06/2011

Negative Reviews:

Not very safe for commuting

For with this device,the manufacturer decided to use one button for everything: power on/off, 5 different flashing modes, special store demo mode. It is a pain to turn on/off without changing some other setting. This model also has a daylight sensor and movement sensor that can't be adjusted. I would prefer to have a simple on/off button period. It is nice to have the choice of flashing modes, but that could be a setting located under the removal lens - how often will you change this? I dislike the daylight sensor, as I prefer to have a flashing tail light at all times on the busy roads, even during daylight hours. I dislike the motion sensor, because if I am stopped waiting at a traffic light at night, I do not want the light to turn off. I do not have a problem remembering to turn off the light at the end of the ride. LEDs do not use much power. My life is worth changing the batteries a few more times, if that is what it takes to be a little safer.
Keb at REI on 01/01/2012

Not What I Expected

Good, versatile mounting. Looked really elegant on the rear rack (even some riders who think reflectors are uncool might agree). The reflector, with US & overseas market approvals, sends more light back than any of the other light/reflector combos out there. That was the good news. The light output was a major surprise and disappointment, both in brightness and light distribution. The "bright central light" was a tightly focused spot. With not much light elsewhere. Think about it- auto & motorcycle taillights are not spot beams. Way substandard compared to even one LED on the TL-LD 610. A disappointment compared to the 10 year old VistaLite Nebula 5 it was meant to replace.

Some of the attention lavished on trick flashing schemes should have gone into light output.

Never did get to try the light/motion sensor.
Starduster at REI on 11/11/2010

Is It ON, Or Is It OFF?

You should not buy this light, EVER. Instead, get the non "auto" version: TL-LD 560 R. I bought it and could NEVER tell whether it was "ON" or "OFF." The "auto" feature is very confusing and unreliable. I do most of my biking during the day, and often ride on short stretches of Interstate Hwy here in Montana (where that is legal). When riding during the day I want the light to be "ON" to give traffic an extra "heads up" from greater distances.

The non auto version has the same great mounting options, huge reflector, and generous battery life you're looking for. Get it and you'll be happier.
Johnimo at REI on 09/09/2013

Lousy design

The mount to attach this light to a rack is horrible. It has plastic self-tapping nuts and metal screws, so it's impossible to tighten and it won't last. The seat post mount looks OK, but the rack mount is useless.
You can't simply turn this light on. It only has Off and Automatic. So if traffic is crazy or the day is overcast and you want to turn on your safety light, you can't. And you can't adjust the light sensor. I commute pre-dawn and sometimes this thing won't stay on, and the sun isn't really even up yet!
weather13 at REI on 06/06/2011

Auto Off

I have had this light for a few months now and ride frequently in the evening. It never stays on. It turns off after about 30 seconds and neither the motion sensing or light sensing keeps it on. Hitting it doesn't even always turn it back on. It's basically just an overpriced reflector. I have other Cateye products that I like, this one is just a dud. I'm going to get a light that will stay on when I want it to.
Pel at REI on 07/07/2012

Not a good choice for fog/overcast

Many of my commute home rides are in the fog. The light sensor will decide that there is enough ambient light and the light will not stay lit. This is a safety issue where I ride. Am returning this light and looking for one that does not have this feature.
PK from CA at REI on 08/08/2012

Neutral Reviews:

No Manual Override

When riding at dawn, dusk or overcast conditions, this "automatic light" may well shut off on its own! In other may detect just enough light to think it's not needed. There is NO manual override button or switch.

After dark, it works great with various lighting options. Once on - it stays on, unless no motion is detected for about 50 seconds. Once movement is detected again - it comes on again. But at dawn, dusk or overcast conditions you may be surprised to have someone tell you, "Get some lights!" R.E.I. needs to start carrying the manual model of this same light. I would like to recommend it. But based upon my experiences with it so far - I can NOT recommend it.
OldHippie at REI on 11/11/2012

Great light except for the auto-on

In Florida you must have both a red light, and a red reflector on the rear of your bike. This particular Cateye light meets both requirements, which is ideal if you intend to ride legal (most don't), and want to mount just one item. It has great visibility and complements my SuperFlash Turbo, taking the place of the mandatory reflector. Should be a winner, 5-stars.

Unfortunately, the Auto-On feature kills an otherwise great light. It just doesn't work the way you want it to. Read the other reviews for more on this. I concur with everyone else - get the manual version which REI does not carry.
Robert KB at REI on 09/09/2013