Made of ABS plastic, dimensions: 5.2 x 4.3 cm. Color: Black, Yellow, Green, Blue, Pink, Orange, Red, White (8 pieces). Instant reset button allows for easy one-handed operation and comfortable use between fingers. Compact and portable design with a stainless steel metal ring for carrying or attaching to a key ring. Fits comfortably in hand. No batteries required. Counts up to 9999. Simple to reset with just a few turns, avoiding the need to cycle through all numbers. Easy to use and functions reliably. Suitable for a variety of settings such as schools, laboratories, competitions, stadiums, casinos, restaurants, bars, training activities, and other events. Function: 8-digit counter from 0000 to 9999. Features an easy-to-use rotary knob and reset button. Includes a large grip hole for comfortable handling. Ideal for counting tasks in various statistical applications. Designed for fast and accurate button pressing. Material: ABS plastic and stainless steel case.