From the Manufacturer: Compact design and portable Machanically jumps by every press, quick reaction Counts Range: 0000 to 9999 This stainless desk and handheld counter with 4 digits is ideal for all counting needs, special large events, inventory count Such handheld counter set has button easy to push Instant reset knob to reset the counter, just wind the knob back to 0000 Such digital electronic caculator fits comfortably in the palm of your hand or can be mounted on the desk for convenience This desk and handheld counter is rust resistant as it has chrome plated steel case A thumb push advances the count Color: Silver Dimension: 5.8 x 5.5cm/2.28 x 2.17"(H x Dia.) Includes: 1 x One hand tally counter