Bike Head Light Water Proof. Latest Light-focusing Technology. Releasable bracket. Two operation mode: Continuous or Flash, change mode by pressing the button on the top. Multi-functional: Bike light, Torch, Diving (up to 20m / 66ft.) .. etc. Long lasting: Up to 150 hours operation with 4 x "AAA" batteries (not included) Color: Black Weight: 46.6g Included: 1 x Bike Head Light#Bicycle #Flashlight #usbbikelight #Lighting