Specification: Type: 12 channel remote control switch Output current: 20A Static working current: ?6mA Output voltage: AC 125V / DC 14V Working voltage: 12V Battery type: 1 x 23A/12V battery(not included) Working frequency: 315 433MH Remote control distance: Approx. 200-500M Operating temperature: 40°C ~ +80°C Receive Sensitivity: ?105dBm Working mode: Momentary, Self-locking, Interlock Relay size: Approx. 10 x 8 x 2.5cm / 3.93 x 3.14 x 0.98inch Remote size: Approx. 12 x 5 x 1.5cm / 4.72 x 1.96 x 0.59inch Weight: 243g Working mode: Momentary: Press every button on the switch, and the corresponding relay is connected. Release the switch, the corresponding relay is closed. You can only connect a relay at a time. Interlock: Press every button on the switch, and the corresponding relay is connected. And then press the other button on the switch, the corresponding relay is connected. The other relay is closed. High-quality electronic components, easy to set up, learn, re-learn and control. The performance is stable and reliable, and the receiving sensitivity is high. Suitable for lost or damaged relays and a new perfect replacement Adjustable working mode, control device rotation/reverse rotation, on/off. Switch instantaneous, self-locking, interlocking, 3 commands. Making the user's operation very easy and easy to learn Signals can pass through walls, floors and doors to steadily control the receiver from anywhere within a reliable distance. The remote control distance can reach 200-500 meters, no obstacles One switch can be equipped with multiple remote control, or a remote control with multiple switches This relay is stable, durable and compatible. Wide range of applications range from simple domestic remote control to automatic control such as windows, entrances, garage doors, alarm systems, lifting equipment and more,