Products introduction: 1. ABS body. 2. 3 super light leds. 3. Battery voltage:3.6V ,capacity:40mAH. 4. Rotate 120 cycles/minute,output power is about 1.2W. 5. In normal status,rotate 130cycles per minute,it can be used 15-20 minutes for three lights burning. 6.Can do preparation charge for mobile phone. Advantages: 1. Environmentally friendly. 2. Money saving - no batteries, no bulbs. 3. Good for housework, maintenance, traveling, mountain-climbing & more.