Features STRONG ANTI INTERFERENCE CAPABILITY This counter is equipped with a rotating encoder input, a power switch and an NPN sensor, which has strong anti-interference ability. Preset Function The counter relay has R, N, C, F, B, E preset function, and the relay of the timer has four output methods with strong performance. EASY TO CARRY The counter is lightweight, you can always take it with you when you need it, and easy to store when you don't need it. HD DIGITAL DISPLAY This counter as a built-in 6 digit counting and timing machine features bright HD digital display, which makes observation more intuitive for you. Alarm Output Our counter supports the power stop memory function with an independent relay alarm output. Specification: Item Type: Digital Display Counter Material: PC. Power supply: 100-240VAC Plate size: approx. 72 x 72 mm / 2.83 x 2.83 inches. Opening size: approx. 68 x 68 mm / 2.68 x 2.68 inches. Display mode: 6-digit digital LED 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. Small note: Pay attention to electrical safety during installation and use. Package List 1 x Digital Display Counter 2 x Accessories