Professional digital chess timers designed to enhance your gaming experience with multiple timing rules and user-friendly features. Customizable time settings up to 9:59:59 and support different timing parameters for each player. Automatic parameter saving on shutdown, step recording up to 999 steps, and optional sound prompts. Advanced timing modes such as BASIC, BONUS, DELAY, BYO-YOMI, and COUNT-UP, catering to various game requirements. Main Material: ABS 2 * AAA (not included) Packing List: 1 * Chess Timer Color: As Shown Material: ABS Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.