Usage Tips:Touching Control Timer, Timer Machine With Display, Speed Cup Timer, Speed Race For Cubes , Girls Boys GiftFeatures:Sensitive Touching & Automatic CalculationThe hidden sensor copper sheet are a provides sensitive hands touching control. Innovatively added automatic calculation grade design, so that your progress can be seen at a glance.Big Screen EnjoymentEquipped with 2.5mm external port can be linked to major) brand displays and Mobile DCTimer application. You can share) good grades with friends anytime, anywhere.Anti-Slip Design5 anti-slip pads are correctly distributed on the back, not easy to slip. You will be happier when you play the puzzle cubes with this timer clock.Mini Size & Easy to CarrySmall size for your use, light weight, easy to carry and store. only) need to install 2 AAA batteries to use. (Please note that the package does not include the battery).Use OccasionsA great timer for kids or adult game timing tools. Very suitable as competition timer, dice timer, time management tool, desktop timer, timer, training.Product Material:Plastic/Electronic components. Color:BlackSuitable age:7+. Remote battery:2xAAA Battery (NOT Included). Product size:27.5x7.5x3cm(10.83x2.95x1.18in). Product gross weight:137g/0.3lb. Instructiongs: Because the size of the product is measured manually, there may be errors. Package Contents: 1x Timer Machine.