Welcome to our store! 1. Radio Frequency Technology: Utilizing radio frequency technology, the signal can pass through walls, floors, and doors to stably control the receiver anywhere within a reliable distance. 2. Stable and Flexible: The 30A relay radio frequency receiver can load high-power electrical appliances to ensure long-term stable control. Equipped with a remote control, flexible to use. 3. Secure and Reliable: The learning codes have a high level of security, low repetition rate, and re-learning mode. If the remote control is lost, the old codes can be erased and new codes can be learned again. 4. Easy to Use: Very easy to set up, learn, relearn, and control. The performance is stable and reliable, and the receiving sensitivity is high. Remote control, flexible and convenient to use. 5. Widely Used: Relay radio frequency receivers are mainly used in lighting, electric doors and windows, lifting equipment, gates, elevators, industrial control safety industry, and other fields. Item Type: Relay Remote Control Material: ABS Working Voltage: 220V Working Temperature: -40℃ to +80℃ Receiver Sensitivity: Greater than -110dBm Working Frequency: 433MHz Maximum Load Current: 30A Remote control built-in button battery: 2 x CR2016 (75mAh) 1 x Relay 1 x Remote Control Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.