1. Input overvoltage, undervoltage protection, output overcurrent, short circuit protection, automatic recovery protection, anti-back protection, overheat protection. 2. Separate design, reduce high-power heating, improve charging efficiency, and accelerate charging speed. 3. 360 degree rotation to meet your needs for visual adjustment. 4. Convenient switch, the phone needs to be turned on when charging, and the blue light is always on to prompt charging. Light reminder instructions: Standby - blue light is always on Charging - blue light flash Foreign matter - red light is always on Over temperature - red and blue are always on Full - red and blue 5. Suitable for 4.5-7.0 inch mobile phones. 6. Parameters: Input voltage: DC 10-32V Output power: 5W / 7.5W / 10W Working frequency: about 127Khz (fixed frequency regulation) Standby current: 10MA Wireless charging distance: <=8mm Overheat protection temperature: 60 degrees Celsius