Item Type: Digital Length Counter Product Model: BEM76-BMQ-LTH-P10-XJL-CT Product Voltage: AC 100-240V Counting Range: 1-999999 Input Mode: Contact signal or pulse signal. Control Mode: Relay contact output. Preset: Yes. Package List 1 x Digital Length Counter 1 x Wheel 1 x Spring Bracket 6 x Screw 1Digital Display: 2 roll 6 digit display enables a wide counting range of 1-999999, which also supports positive and negative counting. 2Alarm Function: Can connect to an alarm, and supports preset and auto reset. When the preset value is reached, the alarm will be on. 3Power Off Memory: When there is power failure, the machine will maintain the value before the power failure after power restoration. 4Length Counting: Applied to cloth mills, textile mills, garment processing plants, printing plants, etc. to record the cloth length. 5Easy Operation: Controlled by dual relay, the length counter allows for contact signal or pulse signal input and relay contact output.