Item No.:SL-B137 USB Bike light sets

SL-BF128 Bike headlight
3 Watt White LED
Function:High-Low-Strobe-Flash-OFF
Luminance:180LM
Waterproof:IPX4
Bracket Size:22.3-31.8cm
Battery size:Rechargeable 3.7V 800mAh

SL-BR094 Bike taillight
Super bright COB
Lumen:80 lumens
Battery:3.7V 280mAh rechargeable battery
Function:Low-Middle-High-Weak flash-flash-Strobe-off
Change to flash model need double click
Press 2 seconds will be auto off,It come with memeory function
Rotating 360 degree and comes with clip 
Including the rubber ring and USB cable