Features:
1. Wireless Transmission
2. 10 meters or more transmission distance, easier to operate the machine
3. Touch Buttons
4. OLED high brightness, contrast display
5. Messages from controller can be displayed on LCD
6. Serial Transmission. RS232C or RS485 Interface 
7. Multiple output interface for various controllers application
8. Type-F applies six function keys
9. Optional Anti-drop strap