100% Brand New.
Module Properties: non-isolated constant current and voltage module
Rectification: non-synchronous rectification
Conversion efficiency: 95% (the highest)
Switching frequency: 300KHz
Output ripple: 50mV (max) 20M bandwidth
Load Regulation: ± 0.5%
Voltage Regulation: ± 2.5%
Operating Temperature: -40to +85
Voltmeter Ammeter
Measurement accuracy: 0.1%
Refresh rate: about 200ms / times
Display: 0.28"digital tube
Current Range: 0A-5A
Voltage range: 5V-30V
Display Color: Red and Blue