Specification: Name: Competitive Timer Material: ABS plastic Size: 280*55*22mm/11.02*2.16*0.86 inch (Approx.) Material: ABS plastic Power supply: 2 x AAA batteriesDoes not contain Notes: Due to different monitor settings, the color may be slightly different from the picture. Due to manual measurement, please allow a slight size difference.11. Sensitive touch: The hidden sensor copper sheet in the hands area provides sensitive touch control. 22. Use: An excellent timer for children or adult game timing tools. 33. Additional port: Equipped with 2.5mm external port can be linked to major brand displays. 44. Use: You will be happier when you play the puzzle cube with this timer clock. 55. Anti-slip design: 4 anti-slip pads are correctly distributed on the back, not easy to slip off. Due to different monitor settings, the color may be slightly different from the picture. Due to manual measurement, please allow a slight size difference.1* Timer2* buckles1* carton