<ul> <li>1️⃣【High Precision & Adjustable Output】 This variable DC power supply features a 4-digit LED display with 10mV/1mA resolution, providing ultra-accurate readings. Adjust voltage up to 30V for precise control, making it ideal for labs, electronics testing, and DIY projects.</li> <li>2️⃣【Memory Presets for Efficiency】 Our benchtop power supply includes 6 memory slots (M1-M6) to save frequently used voltage/current settings. No more repetitive adjustments—just recall presets instantly for seamless workflow optimization.</li> <li>3️⃣【Advanced Safety & Cooling】 Designed for reliability, this adjustable DC power supply offers over-voltage, over-current, over-heat, and short-circuit protection. The auto-cooling fan activates at 104°F/40°C, ensuring stable performance and extended durability.</li> <li>4️⃣【PC Software Control】 Enhance testing with our PC software, enabling custom test programs, real-time monitoring, and 10 memory presets. Perfect for engineers and researchers needing a variable power supply with advanced digital management.</li> <li>5️⃣【Quality Guaranteed & Full Support】 Each DC power supply variable undergoes strict QC before shipping. Package includes power/USB cables, output leads, and a manual. Enjoy 12-month warranty + 24/7 responsive customer service.</li> </ul>

<ul> <li>Input: DC 3 V to 40 V (input voltage must be 1.5 V higher than the output voltage, no boost)</li> <li>Output: DC 1.5 V to 35 V voltage is continuously adjustable, maximum output current is 3 A</li> <li>Steps: connect to power source, adjust the swirl button on the blue potentiometer and monitor voltage with multimeter to get the needed voltage (The factory have tested these at max voltage so they are very high by default, takes about 15-20 turns CCW before the voltage starts ramping down)</li> <li>Features: all use for SANYO solid-state capacitors, 36 u thickening circuit boards, high-Q inductance with LED indicator output</li> <li>LM2596 DC to DC Buck Converter 3.0-40V to 1.5-35V Power Supply Step Down Module</li> </ul>

<ul> <li>Silent Case Fan : The impeller was designed with a focus on minimizing the noise level (20.2 dBA) yet delivering the superior airflow (30.28 CFM) and pressure (0.61 mmH2O)</li> <li>Highly Efficient Ventilation : The distinctive design on the back end of the fan blades providing highly efficient ventilation (1000 RPM)</li> <li>High Quality Fan Blade : Designed with 7 blades to provide high airflow (30.28 CFM), good cooling capacity.</li> <li>Package : (1) F12 120mm Case Fan x5；(2) 1 to 3 Fan Splitter x2；(3) Fan Screws x20</li> </ul>

<ul> <li>Smart Burnout Prevention and Overload Protection: Voltmeter multimeter Features a smart burnout prevention chip with ceramic fuse, providing full-range measurement overload protection. Offers 250V burnout prevention protection when incorrect measurement functions are selected. Ceramic fuse. MCU processor.</li> <li>User-Friendly Operation - Multimeter Features data hold,auto power-off,and continuity beep functions. Equipped with a backlit LCD screen for worry-free operation in dim environments. Includes batteries, test leads, and user manual.</li> <li>Additional Notes - The following operational errors may prevent the multimeter tester from displaying results: First, test lead plugs not fully inserted or incorrectly seated. Second, manual rotary switch not positioned correctly. Additionally, this multimetro cannot measure all AC currents or AC voltages below 100mV. Carefully review the user manual before measurement.</li> <li>Versatile Applications - Designed for safe and precise troubleshooting of automotive and household electrical systems, this multimetro digital serves as an essential tool for electricians, home users, automotive repair shops, and industrial electrical diagnostics.</li> <li>Professional Technical Support - For any product inquiries, contact us anytime! Our team is available online for prompt assistance.(Additional note: Remove the cover before using test leads. Refer to the manual for detailed usage instructions.)</li> </ul>