Item Type: Mechanical Length Counter Material: ABS Product Voltage: AC100-240V Counting Range: 1-999999 Input Mode: Contact signal or pulse signal Control Mode: Relay contact output Whether Preset: Yes Package List 1 x Digital Length Meter Counter 1 x Holder 2 x Accessory 1 x Instruction 16 Digit Counting: This meter counter is 6 digit counting, can count 999999, can count forward and reverse, double relay control. 2Automatic Alarm: The meter counter can be connected to the alarm clock and support the warning setting. When the alarm reaches the preset value, the alarm will be automatically alarmed to facilitate the work. 3Memory Recovery Function: If there is a sudden power failure, the meter counter will keep the value before the power failure after the power is restored. 4Dual Relay: The meter counter is fully automated with two relay inputs, so you can connect the entire line to control other devices. 5Wide Application: This meter is mostly used in cloth factories, textile factories, garment processing factories to record the length of fabric, and also in printing factories, etc.