3" high 4 digits character, used indoor. Can count up to 9999 Three buttons, one is to add a number, another one is to decrease a number and the last one is to reset the counter to zero. consumers may start a count at any number, which makes it easier　 Aliuminum casse, durable and easy to hang to wall Long life span, can reach up to 100,000 hours This counter is controlled by three buttons, one is to add a number, one is for number minus and the last one is reset button,reset to 0. Besides button control, customer can be also able to control this counter by an IR 　.The counter is 335x160x40mm and weighs 1kgs.