Product Introduction:1.Model:XH-M6032.Input Voltage:DC 10-30V 3.Display Precision:0.1V 4.Control Precision:0.1V 5.Output Type:direct output 6.Voltage Tolerance:+/-0.1V 7.Application Fields:12-24V storage battery 8.Size;82*58*18mmconnect to battery(if not,won't have display)Using Method:1.Set Starting Voltage:in normal display voltage state,press the button will display start charging voltage;long press for 3s the digital tube will flash;you can start or stop button to set starting up charge voltage value 2.Set Stop Voltage:in normal display voltage state,press the button will display stoping charge voltage;long press the button for 3s the digital tube will flash;you can start or stop button to set stoping charge voltage value3.Factory Reset:in power on state press the start/stop button at the same time,digital tube will display 888;that represents factory reset settings