USB Digital Variable Adjustable Laboratory DC Power Supply For Mobile Repair, EU Plug 1. Dual type meter head design, more adaptable to the use of communication equipment products 2. Digital encoder, higher precision, better stability and longer life than traditional analog potentiometer 3. Independent USB interface, provide current output capacity, comes with over-current, short circuit protection function 4. Intelligent fan control, intelligent heat dissipation 5. Input voltage: AC 220V 6. Main output voltage: 2215V 7. Main output current: 5A3A 8. Rated output power: 56W (including USB interface output) 9. Protection function: OCP (overcurrent cutoff restorable type) OHP (overheating protection) 10. Other functions: coarse adjustmentfine adjustment, double-stage voltagecurrent switching, parameter locking function. 11. Heat dissipation: Intelligent temperature control air-cooled 12. Working conditions: temperature: 0-40 degrees Celsius; humidity: less than 80% 13. Storage condition: temperature: -20-70 degrees Celsius; humidity: less than 80% 14. Size: about 8.8 x 15 x 21.5cm