Features: 1. 5A high power, high efficiency and low ripple. 2. With voltmeter display and voltmeter self-calibration. Uses a more advanced voltage microprocessor with a voltmeter error of ±0.05V and a range of 0 to 40V. 3. Touch the button to switch the measurement input or output voltage, there is a indicator lamp to show which voltage is being measured, and save the settings, even if you disconnect the power and turn it on again. 4. With terminal, it can be used conveniently without soldering iron, and keep the connection point of the welding line. 5. It has the function of overheat protection and short circuit protection. Specifications: Material: ABS Load Regulation S (I) ≤0.8 percent Voltage Regulation S (u) ≤0.8 percent Output Power: <=75W Output Current: <=5A Adjustable Output Voltage Range: 1.25V-36V Input Voltage: 4.0-38V Size: 60 x 37 x 12 mm / 2.4 x 1.5 x 0.5in Weight: Approx. 30g Package List: 1 x Module 4 x Screw 4 x Nut 1 x Big Nut 1 x Gasket 1 x Heatsink1,5A high power, high efficiency and low ripple 2,With voltmeter display and voltmeter self-calibration. Uses a more advanced voltage microprocessor with a voltmeter error of ±0.05V and a range of 0 to 40V 3,Touch the button to switch the measurement input or output voltage, there is a indicator lamp to show which voltage is being measured, and save the settings, even if you disconnect the power and turn it on again 4,With terminal, it can be used conveniently without soldering iron, and keep the connection point of the welding line 5,It has the function of overheat protection and short circuit protection Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.