Etrade2global 2000 Lumen Cree XM-L T6 LED Cycling Front Bicycle Bike Light Headlight Headlamp Head Light Lamp Torch Waterproof 6x18650 Battery Laser Rear Light CREE XM-L T6 LED 9600mAh rechargeable IP65 Waterproof Battery Pack(Last about 4-5 hours on high mode) 3 or 5 switch Mode:Strong/Normal/Flashing (press 3 seconds to 5 modes:Strong/Normal/Low/Flashing/SOS) With Laser Rear Light