This tail is equipped with two installation methods, which are convenient for you to install it on the seats or the seatpole according to your needs. Powerful functions making your night riding safer.

Features:
When the brake is detected, the tail highlights for 3 seconds.
When going downhill, the chip automatically corrects the angle according to the algorithm to ensure the accuracy of brake sensing.
When the is dim, the tail will automatically when the is moved; If the is not moved within 30 seconds, the tail will automatically turn off.
High brightness, 180 degrees wide angle visible.
The brake-warning will be activated after passing the large pit and the shockbelt. The brake-warning will not be on for a long when the bike swings left and right and passes through a small bumpy road.
Free adjustment of 6 modes.
IPX5 waterproof, no fear of rainy day.
USB rechargeable design and large capacity , you don't need to worry its .
With indicator for timely recharging.

Specifications:
Item color: black
color: red
Waterproof: IPX5
Material: alloy+plastics
: 3.7V, 420mAh
Package size: 90 * 60 * 45mm / 3.5 * 2.4 * 1.8in
Package weight: 73g / 2.6ounce

Packing List:
1 * Bike Tail
2 * Belt
1 * USB Cable
1 * Bracket
2 * Antiskid Rubber Pad
1 * User Manual