1. The products use an LED, long life, small power consumption, the light brightness of 8000-12000 mcd; 2. Products built-in a lithium-ion rechargeable battery; 3. This product is equipped with a USB charging data; 4. Keychain rechargeable flashlight, easy to carry and convenient to your life; 5. Product material: Fuselage: ABS, lamp door: PC Charge: 1. When the LED lightslighting is not bright or weak, please timely with USB charging 1.5 to 2 hours; Complete charge, LED lights lit two hours above. 2. Products do not have to charge or when you would be grateful if switch to the OFF state to conserve electricity 200pcs/ctn, ctn size: 32.8x31.8x25cm N. W: 7.8kgs, G. W: 8.5kgs