Features 1、433MHz Wireless Band: The remote control can use 433MHz ISM band for free, with long distance and strong penetration. 2、Long Control Distance: The remote control distance is greater than 200m, at least not less than 0.5m. 3、High Performance: Built in hardware error detection, software optimization algorithm, two way communication, ensure stable and reliable communication. 4、Convenient Connection: The receiving module F1521 is wired for CAN bus, which is convenient for users to connect. 5、ABS Shell: The shell is made of excellent ABS, which has high strength, not easy to be damaged, very sturdy. Specification Item Type: CNC Cutting Machine Remote Control Material: ABS Battery: 3 x AAA battery (delivered without battery) Package List 1 x Remote Control 1 x Receiver 1 x Antenna 2 x Interface 1 x Resistance Wire