Item Type: Wireless Remote Control SwitchMaterial: PCBVoltage: Input 12V, Output 12VMaximum Working Load: 10AWorking Frequency: 433MHzReceiving Sensitivity: -105dBmWorking Temperature: -40 to +80COutput Mode: Inching, Self-locking, InterlockingBuilt-in Button Battery in the Remote Control: 80mAh Button BatteryCompatible: For Small Loads Such As Household and Industrial Control Relays, Small Bulbs, and Small MotorsPackage List1 x Receiver1 x Transmitter1. Do not operate the control buttons quickly and frequently, because the controller is controlled by a microprocessor, and each operating state will respond within 1 second.2. If you find that the LED light is dimmed or the distance becomes shorter, please replace the battery.3. The receiving antenna must be soft, and the length cannot be too long or too short, otherwise it will affect the transmission distance. Please try to straighten the antenna as far as possible, and do not get close to metal objects or any magnetic objects.1The wireless remote control switch uses superheterodyne receiving circuit, which has better anti interference. 2The 2 channel relay remote control switch with ultra small size, suitable for all kinds of narrow spaces. 3It has strong compatibility, can support various 433M fixed code, learning code remote control. 4The wireless remote control switch is easy to install and use and the performance is stable and reliable. 5Suitable for small loads such as household and industrial control relays, small bulbs, and small motors.