Che Digital Timer Profeional Count Up Down Timer Plastic Battery Powered Multifunctional Lightweight for Family Personal UseFeature:1. Multifunctional:countdown, plus seconds, multi segment timing, time limit, positive timing, delay function, and mute.2. Battery power supply:The rear of the product is equipped with a dry battery installation port, as well as a power supply port. You can connect devices such as a power charger and a charging bank through a USB cable to power the product. You need to connect the power supply to use it, and you cannot store electricity.3. Widely used:suitable for multi clock che games, such as Chinese che, international che, go, etc.4. Easy to use:During the competition, the parameters of both sides can be modified, and different basic time and auxiliary parameters can be set on the left and right sides.5. Big rocker key:The rocker timing key allows the person who is cocked to count, providing a good feel, quick response, and convenient control, making it more suitable for fast che.Specification:Origin: Mainland ChinaType: Che ClocksModel Number: Che Digital TimerMain material: ABSProduct color: black, brown (optional)Package size: 197x126x58mm/7.76*4.96*2.28inchGro weight of product: 370gTwo power supply methods: DC 3V power supply (two or four No. 5 batteries can be used), USB power supply (connected to the power supply, unable to store power). Shipped without batteries. Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement. 1 x Che Digital Timer1 x USB Cable