... Remote Operation distance: 6-10 meters Backlight function with a crystal keypad2.4G wireless receiver integrated designProduct Features: ... sides, easy to control3. Handy keybaord with LED backlight and touch pad4. With the receiver adapter equipped inside , it ... technology with the same function with the PC touchpad9. 89 full-funtion keysUsing:You can teaching, training, lectures: keyboard, mouse ...