ITEM NAME:5W Qi DIY Wireless Charger Module PCBA Circuit Board with Coil Charging ZYBX Specification: 100% brand new and high quality Size: approx. 11*5.8cm Product Certification: CE/FCC, compatible with QI certified standards; Standards: Qi wireless charging standard Standby power: average power is less than 50 mW; Conversion efficiency: greater than 73 % Transfer distance: maximum 10mm, recommended transceiver distance 2 mm~4 mm The led indicator will be green when charging, and be red when standby. 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: 5VÂ ±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 DIY Note: Due to the hand measurement, there have size error about 1-5mm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Product Certification: CE/FCC, compatible with QI certified standards;. Standards: Qi wireless charging standard. The led indicator will be green when charging, and be red when standby. Over current protection: when the current is over 1.5A, it will automatically stop charging.