ITEM NAME:Relay Module 1 channel Remote Control Switch Wireless IR 12V DC D2C1 Relay Module 1 channel Remote Control Switch Wireless IR 12V DC D2C1 Operating Voltage: DC12V Remote distance: 8 m LED indicator Battery: CR2025 (batteries are not included.) Colour: As shown Features: With 3mm fixed screw holes, it is easy to install. Interface Module: Wine food 9 - 13V anode, cathode-GND input power The middle of three ports is public, it can be output normally open and normally closed with the other. The circuit is isolated before the output and the input of the relay. Remote control to make use of the chip and UPD6122 NED encoding format, frequency is 38K. Remote Control Code for the user: OxOOFF Key value: "ON"---40, "OFF"---19 Battery: CR2025 (batteries are not included.) Specification: Weight: 33g Size of relays: 5 (L) x 2 (W) x1.8 (H) cm Remote control size: 4 (L) x 0.7 (W) x 8.5 (H) cm Packing included: 1 x Conduct relay module 1 x remote control Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm..1 x Conduct relay module. The circuit is isolated before the output and the input of the relay. Interface Module: Wine food 9 - 13V anode, cathode-GND input power. LED indicator. Colour: As shown. Remote distance: 8 m.