1With input end reverse connection protection, reverse connection does not burn, output end short circuit protection. 2LCD screen, with large& 8209;volume heat sink, with shell protection and fan, fast heat dissipation. 3Input anti& 8209;reverse connection, reverse connection will not burn, output anti& 8209;reverse, no need to add anti& 8209;reverse diode when charging the battery. 4Made of highquality materials, flameretardant, corrosionresistant and wearresistant. 5Widely used and easy to carry and store, convenient to use and with good performance Item Type: Power Supply Module Input Voltage: 7V-32V Output Voltage: 0.5V-32V (lower than 1.8V output capacity is weak) Output Current: 4A Output Power: 50W Voltage Resolution: 0.01V Current Resolution: 0.001A Application:1. Use as an ordinary buck-boost power supply with overvoltage/overcurrent/overpower/overtemperature/undervoltage protection 2. Use as LED constant current driver 3. Use as a battery charger 1 x Power Supply Module1 x Cooling Fan4 x Screw4 x Nut