Compared with other similar products, our under-voltage protection module is designed with LED display so that it shows the voltage of the battery, intuitive and clear. Great for boat, automotive, truck and other engine applications. Our under-voltage protection module can be used for low voltage protection of the battery to avoid over discharge of the battery and prolong the service life of the battery. It will automatically disconnect when under voltage. It is constructed of resistance capacitance material. The length of this product is 5.7cm and width is 4.2cm. This product is perfectly suitable for home, household, factory, lab, etc. Item Name: Voltage Module Material: Resistance Capacitance Power Supply Voltage: DC6V-80V Output Voltage: DC6V-80V Maximum Input Voltage: DC80V Control Accuracy: 0.1V Power Consumption: