Charger ]Function Parameter： 1) Input voltage：AC100-240V 50-60Hz. DC12-24V suitable for any car cigarette USB input 5.0V，suitable for any USB socket of computer 2) USB Output parameter： a) Charger：DC5.0V or 5.5V 500-1000mA， 3) LED display: a) 1 LED 1 color which indicates power on b) 1 LED dual color, red LED will light up to signal that charging is in process, green LED will light up to signal that charging is completion. 4) Limited charging current：500mA or 1000mA 5) Steady precision：5 %. 6) Loaded effect：3%. 7) Efficiency：≥85%. 8) Dimension： a) Travel Charger: 63 x 32 x 40mm b) Car Charger: 88 x 31 x 34mm 9) Weight： a) Travel Charger: 38g b) Car Charger: 24g c) Total weight: 92g 10) Carton size: 56 x 43 x 36cm White box packaging total weight:12.7kg 11) Constant charging current and charging voltage，short-circuit protection, full function protection，suitable for charging in travel. 12) Operation conditions: a) Temperature: -10°C to 40°C b) Relative humidity：≤85% c) Atmosphere press：86 to 106Kpa 13) Storage and conveyance conditions: a) temperature: -40°C to 60°C b) Relative humidity：≤90% 14) Insulation resistor：under the normal atmosphere condition， insulation resistor of product no less than 10Mohm，the loop of product can stand 50Hz 3750V，1min dielectric strength and no rupture.