Features: 1. Applicable occasion: this bicycle lamp set is applicable for cycling, Road bike, helmets warning light, walking the dog. 2. Safe and visible: super bright set of front and rear bike lights are safe and visible. 3. Multiple mode options for day and night: it is highly visible to traffic with multiple mode options for day and night. 4. Easy to carry: with light weight and portable size, this bicycle lamp set is easy and convenient to carry and use. 5. Waterproof: it is made with ultra durable material. Specifications: Product name: Bicycle lights Light color: red/white Product model: AS-08 Battery: button battery*2 Material: Aluminum alloy + ABS Output power: 0.66W Brightness: 200LM Output voltage: 6V Waterproof: life waterproof Battery voltage: 3V Packing Included: 1*Bicycle lights. Note: 1.Please allow slight deviation for the measurement. 2.Due to the light and screen difference, the item's color may be slightly different from the pictures,thanks for understanding.