Specification: -100% brand new and high quality -Product Certification: CE/FCC, compatible with QI certified standards; -Standards: Qi wireless charging standard -Standby power: average power is less than 30 mW; -Conversion efficiency: greater than 73 % -Transfer distance: maximum 10mm, recommended transceiver distance 2 mm~4 mm -5W Qi Wireless Charger PCBA Circuit Board with Coil Wireless Charging Pad DIY,allows to charge for any Qi-enabled device. -Input voltage: DC4.3V~5.5V/1.5~2A, over this range of voltage alarm and stop charging; -Output voltage: 5V±0.1V; Charging current: 500mAh-1000mAh;Charging power: maximum can reach 5 W -Over temperature protection: when the temperature is higher than 60 degrees,it will automatically stop charging for 1 minute, and then the temperature is lower, it will re-charge. -Over current protection: when the current is over 1.5A, it will automatically stop charging to avoid damage the electrical devices. Package Includes:1x Wireless Charger PCBA Circuit Board with Coil