Feature: 1. 3 WORKING MODES: Wireless relay remote control switch, and can short connect the welding pads to achieve jog, interlocking or self locking working modes, easy to install. 2. EASY TO CONTROL: Multiple remote controls can be learned, and all buttons of each remote can be learned, one remote can control multiple switches, or multiple remote can control one switch. 3. FLEXIBLE COMBINATION: RF relay switch, this controller can output dry contact signal and output live, convenient for your use, easy to operate, flexible combination. 4. MULTIPLE APPLICATIONS: Relay transmitter and receiver, mainly used in lighting, electric doors, window, lifting equipment, elevator control and security industries and other fields. 5. STABLE PERFORMANCE: RF remote control switch, optional resistance capacitor or power module for pressure reduction, using RF technology to control the receiver anywhere within a reliable distance. Specification: Item Type: Wireless Relay Remote Switch Material: ABS Working Voltage: DC12V Working Temperature: -40℃+80℃ Receiver Frequency: 433MHZ Receive Sensitivity: -105dB Output State: Switch Quantity Maximum Load: 10A Relay, Resistive Load Less Than 8A, Inductive Load Less Than 3A Remote Control Built in Button Battery: 4 x CR2016 (75mAh). Package List: 1 x Wireless Relay2 x Remote Control1 x Manual