Welcome to the store! Radio Frequency Technology: The signal from the wireless remote control switch can pass through walls, floors, and doors to stably control the receiver from anywhere within a reliable distance. Receiver: 433MHz wireless radio frequency switch receiver 30A relay, which can load high-power electrical appliances to ensure long-term stable control and strong practicality. Security: The learning code has a high level of security due to the low repetition rate and relearning mode. When the remote control is lost, it can delete the old code and relearn the new code, allowing you to control it at any time. Reliable and Easy to Use: RF switches are very easy to install, learn, relearn, and control. Reliable performance and high receiver sensitivity. Equipped with 1 remote control for more flexible use. Wide Range of Applications: Wireless radio frequency switches are mainly used in lighting, electric doors and windows, lifting equipment, gates, elevators, industrial control, and security industries, among other fields. Item Type: RF Switch Material: ABS Working Voltage: DC12V Working Temperature: -40℃ +80℃ Receiver Sensitivity: Greater than -114dBm Working Frequency: 433MHz Maximum Load Current: 30A Applications: Water pumps, motors, lamps Built-in Button Battery in Remote Control: 2 x CR2016(75mAh) 1 x Relay 1 x Remote Control Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!