Features 1、Digital low voltage protector module is suitable for 12‑36V storage battery/lithium battery. 2、When the battery supplies power to the module, the output voltage is always equal to the battery voltage when the relay is closed. 3、Three‑digit red LED highlight nixie tube, display battery voltage in normal state. 4、Voltage protection module has over‑discharge protection and low‑voltage disconnect protection. 5、Accurate display, the switch module turns on and off quickly when approaching the lowest voltage. Specification Item Type: Voltage Protection Module Material: Copper Clad Laminate Model: XH-M609 Power Supply Voltage: 12-36V Battery Output Voltage: 12-36V Control Accuracy: 0.1V Power Consumption: Less Than 0.5W Scope of Application: All Kinds of Batteries, Lithium Batteries Package List 1 x DC Voltage Protection Module