Speed Cube Timer, Touch Control Sensor with Automatic Grade Calculation, Portable Competition Timer for Puzzle Games and Training Features: 【Sensitive Touching & Automatic Calculation】The hidden sensor copper sheet are a provides sensitive hands touching control. Innovatively added automatic calculation grade, so that your progress can be seen at a glance. 【Big Screen Enjoyment】Equipped with 2.5mm external port can be linked to major) displays and Mobile DCTimer application. You can share) good grades with anytime, anywhere. 【Anti-Slip Design】5 anti-slip pads are correctly distributed the back, not easy to slip. You will be happier when you play the puzzle cubes with this timer clock. 【Mini Size & Easy to Carry】Small size for your use, weight, easy to carry and store. only) need to install 2 AAA batteries to use. (Please note that the package does not the battery). 【Use Occasions】A great timer for kids or adult game timing tools. Very suitable as competition timer, dice timer, management tool, desktop timer, timer, training. Product Description: :Plastic/Electronic components. Color:Blue Suitable age:7+. Remote battery:2xAAA Battery (NOT Included). Product size:28x5.5x2.2cm(11.02x2.17x0.87in). Product gross weight:137g/0.3lb. Instructiongs: Because the size of the product is measured manually, there may be errors. Package Contents: 1x Timer. Speed Cube Timer, Touch Control Sensor with Automatic Grade Calculation, Portable Competition Timer for Puzzle Games and Training 【Sensitive Touching & Automatic Calculation】The hidden sensor copper sheet are a provides sensitive hands touching control. Innovatively added automatic calculation grade, so that your progress can be seen at a glance. 【Big Screen Enjoyment】Equipped with 2.5mm external port can be linked to major) displays and Mobile DCTimer application. You can share) good grades with anytime, anywhere. 【Anti-Slip Design】5 anti-slip pads are correctly distributed the back, not easy to slip. You will be happier when you play the puzzle cubes with this timer clock. 【Mini Size & Easy to Carry】Small size for your use, weight, easy to carry and store. only) need to install 2 AAA batteries to use. (Please note that the package does not the battery).