BAKU BK-305D 220V Switching Multi-Function Variable DC LED Uninterrupted Power Supply Repair Voltmeter Ammeter for Mobile Phone / Laptop

1. It is designed to maintain mobile phones / laptops with the protection of high precision DC power supply. 2. Rapid protection speed, over-current protection and short-circuit protection. 3. Five different cell phone power interfaces and five different voltage output options. 4. Suitable for laboratories, schools and production lines. 5. Note: work environment temperature should not be over 40 Celsius degree and providing the machine space for heat dispersion. 6. Ripple and noise: <3mArms 7. Ripple noise: <1MVRMS 8. Voltage stability: <0.01%+2MV