♣ DC Bench Power Supply Regulated Adjustable: 0-30 volts and 0-10 amp outputs; the Back-lit 4-digit LED Display accuracy: 0.01 V （10mV)）and 0.001A(1mA) ♣ Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections. it’s built in high quality MOS tube and make it more stable. Constant Current (C.C.) and Constant Voltage (C.V.) modes available for necessary test requirements. ♣ Intelligent Temperature Control: It’s built-in cooling fan with thermo-sensor will keep the power supply cool, noise reduced and life prolonged. ♣ Light weight and compact design, no less than 1.5kg, comes with 1pc 4mm Alligator Clip Leads with Banana Plug, 1pc 1.2m length Input Power Cord. Great choice for using in home, labs, and schools,repairing workshops ,DIY. ♣ We provide 30-day free-returned, and 36-month warranty and lifetime tech support for you! Please do not hesitate to contat us for any assistance needed. Please go forward Amazon to download the User Manual if it’s necessary.