This automatic clickers is designed with capacitive mapping technology, which and accurate, simulates the touch action of human hands, improves speed, and helps automatic and accurate clicks. Simply connect the auto clickers USB port to a for easy use; these auto clickers are powered by the USB port, which means they are fully reusable and environmentally friendly. The screen clickers has 3 different ways for users to choose blue light means clicks per second, red light means 8 clicks per second, when and lights flash alternately, the clickers will click randomly. Auto clickers will satisfy your need for continuous tapping on the screen, as they can simulate actions, greatly freeing your ultimately freeing you from tapping. Stable and compatible with many mobile devices such as cell phones; they are also lightweight and you can take them anywhere. Specification: Material: ABS Size Chart: 7.6cm x 7.6cm x 3cm / 2.99inch x 2.99inch x 1.18inch Package Includes: 1x Phone Screen Auto clickers Note: Please allow slightly errors due to manual measurement and different monitors.