Description: Stable: This remote control transmitter receiver set features 20 to 50m long control range, and the signal is fast. Wide function: This garage door openers set can control items like garage door, entry gate, alarming system, shutter, and light, etc. Easy to use: This remote control is designed with 4 buttons, and is convenient to operate, just press the button. Good performance: This gate controller adopts 433 frequency and is stable and low power consumption and anti-interference. User-friendly: This gate remote control features learn and reset function, so you can add or delete function anytime. Specification: Material: ABS, metal. Color: Show as picture. Receiver: Working voltage: DC 12V. Static condition: <6mA. Working temperature: -40 to 80℃. Reception sensitivity: 105dBm. Working frequency: 433 Output current: <3A. Maximum load current: 20A. Size: Approx. 7.2x5.2x2.6cm/2.83x2.05x1.02 inch. Transmitter: Button: 4 buttons. Working voltage: DC 6V. Battery: 2x button battery(Included). Working frequency: 433. Range: 20-50m. Working current: 13mAh. Size: Approx. 5.7x3.2x1.1cm/2.24x1.26x0.43 inch. Note: There might be a bit of color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 2 Pieces Transmitters. 1 Piece Receiver.