ITEM NAME:Sensitive PCB Circuit Board Wireless Charging DIY Home Stable Transmitter Module Description: Over-temperature protection, automatically stop charging when the temperature is higher than 60 degrees, and will be recharge when it drops. The green light is on when the power is turned on, and the blue light is always on when charging. 8mm sensing distance, sensitive, can be charged when the phone is wearing the phone case, and it does not affect the charging speed. QI wireless charging standard, no radiation, safe and healthy, it can effectively shielding electromagnetic radiation because of the magnetic shield. Frequency conversion technology, long-lasting current stability, over-voltage and over-current intelligent adjustment. Specification: Material: Size: about 8.3x7.1x0.25cm Input voltage: DC5.0V/ 9.0V(QC2.3/ 3.0) Input current: 5V/ 2A, 9V/ 1.67A Output voltage: 5V/ 9V0.1V Output current: 0.5A-1.0A Charging power: 5W/ 7.5W/ 10W(maximum) Charging current: 1000mA Connector: micro USB Power: 10W Transmission distance: 8mm at large, best receive distance 2mm-5mm Transfer efficiency: >73% Stand-by power consumption: average power consumption below 30mW Standard:QI wireless charging standard Working frequency: 100KHZ-205KHZ Package included: 1 pc x PCB circuit board Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering..1 pc x PCB circuit board. QI wireless charging standard, no radiation, safe and healthy, it can effectively shielding electromagnetic radiation because of the magnetic shield. Standard:QI wireless charging standard.