Korad KA3005D DC power supply digital programmable 30V for mobile phone repair, KA3005 digital power supply station, precision adjustable DC power supply programmable power supply. Heavy duty single-channel, constant-voltage and constant-current linear power supply with low ripple and noise, high reliability and high accuracy. Note: KORAD KA3005D is only 220v in our area, if you chose 110v, you will get replacement: Sunshine P-3005A (same functions) KORAD KA3005D 30V 5A Programmable DC Power Supply For Phone Repair Compact Design : Dual 4 Digit LED Displays ( Precision Variable Adjustable ) Digital Controls Output switch control 4 sets of parameters can be stored inside for fast recall Keyboard Lock to prevent accidental changing of set parameters Circuit protection for over load, short circuit and over temperature. Automatic switching between mA and A display Quiet variable speed fan Operating Conditions : Input voltage: 220V / 110V +/-10% Frequency range: 50- 60Hz Operating temperature: 32-104 F (0-40 oC) Operating humidity: < 80%RH Storage temperature: 32-158 F (0-70 oC) Storage humidity: < 70%RH Stable Voltage : Output Voltage Range: 0-30V Continuously adjustable Setup Resolution: 10 mV Setup Accuracy: