This 433Mhz RF wireless remote control switch offers stable and reliable performance with high reception sensitivity (>97dbm). Its strong signal can penetrate walls, floors, and doors, allowing control within a 50-meter range without obstacles. The device is easy to set up and reset, with adjustable operating modes including momentary, toggle, and latched. It features 2 independent relays, each with normally open, common, and normally closed terminals, allowing for individual control of connected devices. Each receiver can store up to 20 transmitters, and one transmitter can control multiple receivers. The high-quality relay is rated for over 100,000 uses, and the blue high-power terminal can handle a 10A current for stable operation even with fluctuating current. This product is widely applicable in homes, farms, factories, offices, laboratories, and supermarkets for remotely operating devices like garage doors, electric doors, shutter doors, expansion doors, electric curtains, fans, lamps, lighting, and ventilation devices. Manufacturer: DieseRC