Remote Control Warning Mountain Bike Tail Light 
Material: Abs; Size: 12*4*1.5cm; 60g
IP55 water resistant, rain-proof
LED source: Red+Yellow warning ultra led ; max ouput: 1W 
Operation Modes:5 modes ,A total of 3 buttons , each button is equipped with an indicator light.
Max light output:  50 lumens
Lighting distance: 20-50m
Battery type:Built-in 500mah rechargeable battery
Lighting time: 3-7 Hrs

package: 1x remote control  1x USB wire  1x tail light                                                                                                      

Feature:remote control ,usb rechargeable