REMOTE CONTROL - Easy to install and use, stable and reliable performance, high receiving sensitivity STRONG SIGNAL--Can pass through walls, floors and doors, control receiver from any place within a reliable distance EXCELLENT STABILLITY - The relay module offers high signal sensitivity at lower cost and resists interference MORE FLEXIBILITY - It adopts non-directional wireless coding technology, allowing independent control without mutual interference, which can be flexibly configured in quantity and working modes Widely application - be used in industrial and security control fields, such as light, motor, remote control, wireless security alarm, wireless door alarm, wireless controller, etc. How this kind of remote control switch works: After finishing the wiring, press on the button, the corresponding load e st on, press this key again, the load is off (Default working mode - locked) RF remote control Widely application More than flexibility Remote control distance RF remote control Wireless RF relay switch allows you to turn your home appliances on or off by remote control . It can avoid energy waste and save your money. Widely application It can be used in industrial control and security fields, such as light, motor, remote control, wireless security alarm, wireless door alarm, wireless controller, etc. More flexibility The RF relay offers a high signal sensitivity and resistant to interference, reception stability, better signal, more stable performance, the factory default settings do not interfere with each other. Control distance remote No direction through the wall remote control distance of about 100 feet. It can pass through walls, floors and doors, control the receiver from anywhere within a reliable distance.