Load Material: printed circuit board Load type: CNC electronic load Working voltage: 12VDC with 12 V, 1A power adapter Load voltage: 0-150VDC Load current: 0-20A Load power: 0-150W (max. 60W above 120V) Wiring method: A+ V+ V- A- four-wire system, backward compatible with two-wire system Maximum power measurement: 999.999Wh Maximum capacity measurement: 999.999Ah Cumulative timing range: ddd:hh:mm:ss (days:hours:minutes:seconds) Operating modes: four modes CC-constant current mode CV-constant voltage mode CP-constant power mode CR-constant resistance mode Overvoltage protection: supports up to 150V overvoltage protection Overcurrent protection: supports up to 20A overcurrent protection Over-power protection: supports up to 150W over-power protection Limited voltage discharge: also called low voltage protection, support, default unlimited voltage discharge, set according to your needs Time limit discharge: support up to 99 hours: 59 minutes time limit discharge Heat sink: Alloy integrated silent (20±3dBA) heat sink Internal temperature 240°C automatic operation External temperature measurement: connect NTC 3950 10K 1% temperature sensor to measure and display temperature from 0-100°C Chinese and English interface switching: supported Zeroing of total data: supported Voltage and current nulling: supported Voltage open calibration: supported Current open calibration: Support Screen brightness adjustment: Support Screen hibernation standby setting: Support PC software online: Not supported Restore factory settings: Support Item size: 165 * 95 * 80mm / 6.50 * 3.74 * 3.15in Item weight: 400g / 0.88lb Package size: 195 * 105 * 135mm / 7.68 * 4.13 * 5.31in Package weight: 625g / 1.38lb Packing List: 1 * Electronic Load 1 * Adapter 2 * Clip Wire