Features: Wireless remote control industrial channel transmitter receiver This robust remote control features highly strength ABS body that withstands impacts With independent switching design,safe to operate. For manufacturing sectors who require precise control over crane and hoisting equipment. Wide applications, this remote is perfect for controlling port cranes, electric hoists, and lifting cranes in various industrial settings. Note:This remote control does not have copy function, it needs to be used with wireless remote control. Specifications: Size:about 155x60x25.5MM/6.1x2.36x1inch Keys: 2/4/6/8/10/12Keys Optional Frequency:315Mhz/433Mhz Note: This remote control does not have copy function, it needs to be used with wireless remote control switching. Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size. Package includes: 1PC Wireless Remote Control