5A 75W XL4015 DC-DC Converter Adjustable Step-Down Charger Module Step Down Buck Converter LED Driver With Red Voltmeter Module parameters Input voltage: 5-36V Output voltage: 1.25-32V continuously adjustable Output current: adjustable, maximum 5A (recommended for use within 4.5A) Output power: maximum 75W (recommended for use within 50W, please reduce power for use with large pressure difference) Working temperature: -40~+85 degrees Celsius Working frequency: 180KHz Conversion efficiency: up to 96% Short circuit protection: Yes Overtemperature protection: Yes (automatic shutdown output after overtemperature) Input reverse protection: None, (if necessary, please connect a high current diode in series with the input) Installation method: 4 3mm screws Wiring method: Wiring terminal or welding terminal, V-IN is the input, V-OUT is the output Module size: 68.2mm in length, 38.8mm in width, and 15mm in height Weight: 39g Range 0~40V. (Note: to ensure the accuracy of the Voltmeter, please ensure that the input voltage is above 4.5V) Gently touch the button to switch between measuring input or output voltage, and there is an indicator light indicating which voltage is being measured, and the settings are saved, even if the power is turned off and turned on again. _x000D_