DS-8900 Waterproof Laser Engraving Keyboard with USB Interface and Trackball for Splash Resistance Option:DS-8900 USB Trackball size: 360x130x25mm

Trackball size: 360x130x25mm

Activation mode: Key activation

Number of keys: 98

Working temperature: -20-50

DS-8900 Waterproof Laser Engraving Keyboard with USB Interface and Trackball for Splash Resistance Option:DS-8900 USB Trackball size: 360x130x25mm1. Built in light sensing trackball allows users to easily operate the computer without a mouse. 2. Using laser engraving technology, the character HD wear resistant does not fade, clear and beautiful, high button life. 3. Concave keycap, key distance anti error design, short keystroke, quick rebound, comfortable and non slip. 4. There are multiple drainage holes on the back of the keyboard to effectively discharge liquid and splash. 5. USB cable,