Made of ABS plastic, dimensions: 5.2 x 4.3 cm. Color: Black Yellow Green Blue Pink Orange Red White (8pcs) Instant reset button allows you to hang your finger easily used as zero and comfortably between your fingers. Compact and portable design, it comes with a metal ring for carrying or attaching to a key ring, made of stainless steel; fits perfectly in the hand No batteries required and counts up to 9999 for a huge number. Only takes a few turns after reset to be quick and easy without having to go through 9999. Easy to use and works as expected. Widely used in various occasions, such as school, laboratory, competition, stadium, casino, restaurants, bars, training activities and other events. Function: 8 digits co.ukom 0000 to 9999 counts. Easy to use rotary knob - reset. No batteries required, user-customized reset button and GIANT grip hole for handy comfort. Widely apply stats to all occasions and press the button as fast as possible. Never again skipped a beat and walked out. 8 colors: black yellow green blue pink orange red white, there are more options for you. - Ring material: ABS plastic and stainless steel case - Size: 5.2 x 4.3 cm Scope of delivery: 8 cell phone counters