Usage Tips:Item Type: Relay Remote Control <br>Material: ABS <br>Working Voltage: 220V <br>Working Temperature: -40 Degrees +80 Degrees <br>Receiver Sensitivity: Greater Than -110dBm <br>Working Frequency: 433mhz <br>Maximum Load Current: 30A <br>Built In Button Battery In The Remote Control: 2 x CR2016(75mAh)1、Radio Frequency Technology: Using radio frequency technology, the signal can pass through wall, floors, and doors to stably control the receiver anywhere within a reliable distance. <br>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. <br>3、Safe And Reliable: The learning codes have a high level of security, low repetition rate and relearning mode. When the remote control is lost, the old codes can be deleted and the new codes can be relearned. <br>4、Simple 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. <br>5、Widely Used: Relay radio frequency receivers are mainly used in lighting, electric doors and windows, lifting equipment, gates, elevators, industrial control security industries and other fields.<p>1 x Relay</p><p>1 x Remote Control</p> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.