Relay Supply supplies high quality remote control solutions for residential, commercial, and industrial applications. Our devices can be controlled by cell phone from anywhere around the world using the GSM phone network. Our products can be used to remotely control garage doors, irrigation pumps, servers, routers, vehicle ignition, engine pre-heaters, cameras, appliances, heating in holiday homes, lighting, aviation engine heaters, irrigation systems, water well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming security systems, access control of gates and garage doors and more. Our GSM remote control relays come in many variants, with some models allowing control of up to 7 different electrical devices at once. Others provide relays that can withstand high amperage connections. Most of our devices come in DC variants from 9-12V DC, 12V DC, 9-24V DC and 12-24V DC, or in AC Variants that range from 110-240V AC, 110-220V AC, 110V AC, 240V AC, and 220V AC. Above all, we value customer service. Please feel free to contact us with any questions you might have about your remote control needs or projects!