Features Wide Work Frequency: This 8-channel relay module has a wide operating frequency of 425-455MHz, which can be better controlled and used. A Variety of Working Modes: The remote control switch has a variety of working modes, including instantaneous, self -locking, mutual locking, delay, and can be quickly set through the DIP switch. Feedback Function: Wireless remote control switches with feedback functions, as long as the frequency of the receiver is consistent with the ID settings, it can be used without configuration. Wide Application: Wireless remote control receiver has a wide range of applications, suitable for suits of smart home, home automation, identification system, remote motor control system. Easy to Install: The remote control switch is light, the structure is compact, and the installation is simple. It can be installed in a few minutes and is convenient to use. Specification: Item Type: Remote Control Module Material: ABS Working Voltage: DC 8-30V Working Current: 12-260mA Output Channel: 8 channels 10A relay output。  Working Frequency Band: 425-455MHz, can be set by DIP switch.  The Longest Transmission Distance in the Field: Approx. 2000m / 6561.68ft Package List: 1 x Remote Control Module 1 x Antenna Note: Pay attention to the correct operation. Package List 1 x Remote Control Module 1 x Antenna