ITEM NAME:For Cycling Bicycle 3 in 1 Bike Turn Signal Brake Tail 7 LED Light Electric Y1M1 For Cycling Bicycle 3 in 1 Bike Turn Signal Brake Tail 7 LED Light Electric Y1M1 Description: Product Name:Multi-Functional Tail Light Product material: Plastic Product color: black Product size:2.2cmx2.8cm Product weight:210g Package Contents: 1x Multi-Functional Tail Light 1x Tail Light Fixation Base 1x Controller 1x Controller Fixation Base 1x Brake Sensor 1x full line Feature: 1.100% brand new and high quality Multi-functional bicycle tail light provides brake light turn signal Light and horn function, more convenient for cycling and useful, guard Your safety when night cycling 2.tSuitable for handlebar diameter below 2.2cm, seat tube diameter below 2.8cm bicycles Easy to install, install the controller on the handlebar, the tail Light on the seat tube, brake sensor on the rear or front brake Tightwire 3.Four buttons on the controller to realize switching on/off horn Indicate light, adjusting horn tunes, controlling the turn signal light, Switching on/off the horn 4.Brake sensor design provides the function the brake light will be automatic lighting when brake 5.Notice: The tail light battery slot cover maybe not tight, please use tape to fix it to prevent slide down due to toggle Item Type: Multi-Functional Bicycle Tail Light Tail Light LED Quantity: 7pcs(Right/Left 2LED, Middle 3LED) Horn Type: 8-Tune Horn Application: Bicycle Battery: 2* AA Batteries(Not Included) Tail Light Cable Length: About 135cm/53.1in