Qiyi Speed For Professional Athletics Touch Control With Display Cube Race Stack Competition

[Sensitive touch & automatic calculation]：The sensor provides sensitive hand touch control. The innovative design of automatic score calculation allows you to see the progress at a glance when you are playing. [Additional interface]：Equipped with 2.5mm external interface， which can be connected to major brand monitors. [Anti-slip design]: Anti-slip design: 6 anti-slip pads are properly distributed on the back， not easy to slip off. [Size & Power Supply]: Product size is 108*29.5*11.8 inch， easy to carry; it has 2 XAAA batteries for power supply. [Use Occasion]: Game timing tool for kids and adults; can also be used for game timers， dice timers， time management tools， table timers， timers and training.