Brand NEW 5 LED head light and 5 LED rear light . Operation life up to 100,000 hours, never need replace . Water resisitant, shockproof, and erode prevent design, Perfect for you used under the bad outdoors environment . luminescence ultra-bright LED, soft, no flicker and lowest power-consumption . Multi-function, guiding your way in the darkness . Quick release bracket, portable attach to your bicycle . Power supply : 4 1.5V AAA" + 2 1.5V "AAA" (not included) Package included: 1 5-LED bicycle head light 1 5-LED bicycle rear light "