Specification: 100% brand new and high quality Input voltage: DC9V/12V1.5~2A, if the voltage exceeds this range, alarm and stop charging Output voltage: 9V ± 0.1V, Charging current: 1200mAh Charging power: up to 15W, compatible with 10W 7.5W Interface: Micro USB Conversion efficiency: more than 73% Transmission distance: max. 10 mm, recommended receiving and transmitting distance: 2 mm ~ 4 mm Standby power consumption: the average power consumption is less than 50mw Over temperature protection: when the temperature is higher than 60 ° during charging, it will automatically stop charging for 1 minute, and recharge after the temperature drops Over current protection: when the output current is more than 2A during charging, the charging will be stopped automatically to prevent damage to the charger Executive standard: Qi wireless charging standard Product certification: CE / FCC, compatible with Qi certification standard Package included:1 x Wireless Charger Transmitter Module Coil PCBA Circuit Board Note: Due to the hand measurement, there have size error about 1cm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same