The bike tail makes your riding safer. Bright rear enhances your visibility for night riding even daytime riding, auto brake alerts other drivers behind you, 110 bike horn to alert drivers you are coming, bike provides additional safety and deters thieves effectively when your bike stopped at home or outdoors. Multifunctions allows you to save more space on your bike and cost-saving.

Features:
The warning will automatically when walking in the corridor or at night.
brake, EmergencyBrake instantly highlight.
Remind the surrounding people and car in an all-round way to protects the safety of yourself and others.
Press the bell button of the to remind the people and car around to avoids.
High sensitivity sensors with a loud 6-segment sound to deter thieves.
PC and UVresistant material, waterproof and dustproof, high and low resistance, not afraid of wind and rain.

Specifications:
Type: WL03C, WL09C (optional)
Item color: black
color: red
Waterproof: IP65
: 3.7V, 700mAh
Remote controller :
WL03C: 1 * 27A12V
WL09C: 1 * CR2032
Frequency: 433.92MHz
size: 47 * 35mm / 1.9 * 1.4in
Package size: 128 * 91 * 41mm / 5.0 * 3.6  *1.6in
Package weight: 176g / 6.2ounce

Packing List:
1 * Bike Tail
1 * USB Cable
1 * Bracket
1 * Installation Tools Set