1.?30V/10A DC Power Supply: Our bench power supply have 3 digital dual LED display 30 volt and 10 amp output power source, constant voltage and current indicator light from 0.01V and 0.01A resolution over the full range. 2.?Switching DC Power Supply: High as 80% power efficiency, with full protection of short-circuit, over-heat, over-temperature, over-voltage and the cooling fan automatic activated by built-in thermo-sensor with low noise on our dc power source. 3.?Safety Protections Power Source: This desktop power supply designed with grounding port for prevent the tester repairing your electronic workshops from current leakage. 4.?Small 3U dc variable power supply: small size as 3U high appropriately fit for work station or test equipment cabinet. 5.?Bench Power Supply Manufacturer's Warranty: Our dc power supply with CE , EMC, LVD certification. Our patent circuit technology ensuring the best power source for small labs or the electronic DIY hobbyist.