ACR C-Light H2On

Added to the safety gear for my boat. Easy to attach and seems bright enough. Have not used them in an emergency yet.

Works great for the price is it two batteries, small and easy to fit in an extra box.

Great little light at a decent price. Does exactly what it says. I use mine on my offshore lifevest for sailing. Easily attaches and activates when it hits water. Could be a lifesaver, especially at night.

Seem plenty sturdy for attaching to life vest or harness. Uses two standard AA batteries. I used lithium for longest shelf life. There is an easy on / off button. Says it will light automatically in water. I did not test that but see the electrodes for sensing water emersion. I like this LED better than the more expensive strobe lights which could be blinding and disorienting in an emergency.

Batteries are required!!! Description is wrong. This is a flashlight that needs two AA batteries to operate. The unit is a constant on, no strobe light, and is not very bright so don't count on being seen from any distance. For a safety light that is being advertised as "(No Batteries Required)" I am very disappointed. I cannot recommend this for offshore or safety use.

The good: cheap, they do work The bad: not very bright, much smaller the expected, questionable quality I’m not sending them back but I did consider it. Will use as backups to quality boat flares. But I don’t recommend them. Caveat emptor!

Easy to fit to PFD and shape does not risk puncturing bladder on auto-inflate models. Note this is the steady, not the flashing strobe.

Light works well, fairly bright, and turns on when in contact with water but not higher humidity. It stays on rather than flashing.