Features HD Digital Display: This counter, as a 6 digit counting and timing integrated machine, has a bright HD digital display, making it more intuitive for you to observe. Preset Function: The relay of the counter has R, N, C, F, B, E preset function, and the relay of the timer has four output methods with powerful performance. Strong Anti Interference Capability: This counter is equipped with rotating encoder input, power switch and NPN sensor, which has strong anti interference capability. Alarm Output: Our counter supports power stop memory function with one independent relay alarm output. Easy to Carry: The counter is light weight, you can always take it with you when you need it, and do easy storage when you don't need it. Specification: Item Type: Digital Display Counter Material: PC Power: 100-240VAC Panel Size: Approx. 72 x 72mm / 2.83 x 2.83in  Opening Size: Approx. 68 x 68mm / 2.68 x 2.68in  Display Mode: LED 6 digit digital tube display Relay Power: 250VAC 5A Counting Range: 0.00001-999999 Input Method: Touch signal or pulse signal Package List: 1 x Digital Display Counter 2 x Accessories Note: Pay attention to electrical security when installing and using. Package List 1 x Digital Display Counter 2 x Accessories