JIAWANSHUN LED Digital Counter with Sound 4in Digital Counter Display with Infrared Sensor Count Up to 9999 for Conveyor Blet Industrial Use 110-240V

Features & details Features 【Counter with sound】 Each count will beep, and the machine will continue to beep when not counted.

The blue button is used to control the sound, and can be turned off when no sound is needed.

】【Application】Widely used in production and life fields.

The number of boxes moving along the conveyor belt, the number of bags sealed by the bag sealer, and the number of visitors passing by the store door can be calculated.

】【Easy to operate】The counter is equipped with a 6.4-foo long infrared probe, which emits an invisible infrared beam.

When an object or person passes by and interrupts the infrared beam, the number on the display increases by 1.

The highest count is 9999.

There are two hooks on the counter, which can be hung on the wall for easy installation.

You can also use tape to stick the machine to the wall.