1. Voltage: 220V 2. Output voltage: DC0-60V 3. Voltage precision: ±0.1V 4. Current range: 0-500mA 5. Current precision: ±0.1mA 6. Temperature range: -55 to 125oC 7. Temperature precision: 0.0625 oC 8. Operation time precision: <1min 9.Voltage difference between no-load and full load: ±0.1V