Dual Relay Outputs】: The digital cable length meter counter have dual relay outputs that allows you to control two devices at the same time. It can independently control alarms, motors, cutters, inverters or solenoid valves Unit Switching】: Feet, inches, meters, yards, and other measurement units can be switched to meet the requirements of different industries and measurement units. The counting range of this meter is 0-999999, which can be accurate to 0.01 Single Wheel Sensor】: The wheel of the sensor is made of rubber, which has high strength and is wear-resistant and anti-skid. the wheel will not easily shift when working, which ensures measurement accuracy. the forward rotation means to increase the length Alarm Function】: The digital length meter counter can be connected to an alarm. The alarm will automatically alarm, after the measured value reaching the preset value. It also can be set to automatically reset, which is convenient to work Service ：We value your shopping experience! If you have any questions, please contact us, and we will respond within 24 hours.