If you don't want to get in an accident just because someone behind you doesn't know that you have already braked, then this is a product made just for you. Using 2 AA batteries as a power source, this rear-end brake light will make sure that the person behind you will notice if you have braked.

It features 5 super bright LED lights that are easily seen even in daylight. It is also equipped with a G-sensor technology that automatically detects when you slam down the brakes. In this way, you don't have to worry if you activated it or not. Its wireless design makes it easier to install. You only have to screw it in place! It also turns off automatically after 3 minutes in standstill mode. This helps preserve the battery life so that it will last long, long time. It has an intelligent control that will adjust when you are going up on slopes. A definite safety partner for cyclists all over the world.

Notes From Ankaka Customer Service:

(*)How to print an invoice by yourself after you order the "Wireless 5 LED Bicycle Rear Brake Light with G-Sensor"

http://support.ankaka.com/wholesale-faq/how-to-print-an-invoice/

(*)Based on Ankaka's large database of past sales performance and experienced analysis of expected market conditions, we stock up on this "Wireless 5 LED Bicycle Rear Brake Light with G-Sensor" so that you can order from us at the lowest possible price without minimum order requirements.

(*)Resellers and drop shippers, do you want to know more about China wholesale electronics business? Come join Ankaka community:

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G-sensor technology, automatically turn on when brake motion is detected

Features a smart light system that will automatically switch the LED brake light to either day mode or night mode

Intelligent control, horizontal adjust detection technology