Brand NEW 21 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 : 3 × 1.5V "AAA" + 2 × 1.5V "AAA" (not included)
1 × 21-LED bicycle head light
1 × 5-LED bicycle rear light