Intelligent 80m signal transmission 433/868Mhz wireless RFID keybord uses the hardware dongle to prevent well the datas from copy. When modify the keyboard settings need insert the dongle first. Otherwise, can't modify any settings. The owner can hide the dongle after setting. It can work with battery, also allow work with the electricity.

 1 X wireless keypad

 3 X AAA batteries

 1 X tag