Feature: 1. Preset Alarm Setting: The meter counter can be connected to the alarm clock, and supports the early warning setting, after reaching the preset value, the alarm will automatically alarm. 2. Memory Function: If there is a sudden power failure and the power is restored, the meter counter will keep the value before the power failure. 3. Automated Operation: With two relay inputs, AL1 and AL2, you can connect an entire line to control other devices for fully automated operation. 4. Digital Display: This meter is a double row 6 digit counter with red digital display, which can count 999999 and can count forward and backward. 5. Widely Used: 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. Specification: Item Type: Digital Length Meter 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 Counter1 x Holder2 x Accessory1 x Instruction