Feature: 1. REMOTE CONTROL: The remote control distance of the remote control is more than 30 meters, which means that you do not need to be in front of the cutting machine. 2. 2 WAY COMMUNICATION: The remote control is 2 way communication to ensure the stability and reliability of communication. 3. 16 OUTPUT PORTS: The receiver module is in 8421 port mode or independent IO mode, with up to 16 output ports. 4. EASY OPERATION: The sending and receiving modules are matched according to the address, the address can be set manually, and the maximum support is 128 addresses. 5. STABLE PERFORMANCE: The remote control has built in hardware error detection, software optimization algorithm, and has a 433MHz free ISM band license. Specification: Item Type: CNC Plasma Cutting Machine Remote Control Material: ABS Battery: 2 x AAA battery(excluded). Package List: 1 x Remote Control1 x Receiver1 x Antenna1 x Interface Note: Please read the instruction carefully before use