Check the listing for details. New Tekpower TP3005T Digital Variable DC Power Supply 30 Volts 5 Amps with Lock. Condition: New. Listed at 79.99 USD. Tekpower TP3005T Digital Variable DC Power Supply 30 Volts 5 Amps with Voltage Lock The new Tekpower TP3005T variable DC power supply is a compact and affordable instrument that is suitable for both home and industrial use. This digital DC power supply has maximum output voltage of up to 30 volts and current up to 5 amps. It comes with rotary switches for setting up the voltage and current. It offers reliable current overload productions, and voltage lock feature to prevent operator errors. With its reliability and versatility, it's an invaluable and indispensable tool for testing, science project and etc., ideal for labs, research institutes, R & D facilities. Specifications: Output DC Voltage: 0.0 - 30.0V Output DC Current: 0.00 - 5.00 A Input Voltage: 110V/AC, 60Hz Voltage and Current adjustment Ripple and noises: CV < 1 mV rms, CC < 3 mA Protection: High current limiting Operating Temperature: 0 - 102 F (0 - 40 C), Relative Humidity: < 80% Size: 10.2 x 6.1 x 4.3 inches Weight: approx. 10 lbs What's in the box: TP3005T power supply Power cord Test leads with alligator clips (28 inches long) User manual.