Remote Controlled units by Telephone line ; wherever you are in the world , You can control (turn on �turn off) all your electricity devices by using telephone line or mobiline. Especially heating , cooling and irrigating system can be used these devices . For example, When you are in holiday , You can switch on / off your home lighting / TV/ Radio . Before coming to home , You can switch on your air conditioning in summer / your combi in winter. When you arrive at home , comfortable condition meets you. You can used it for lighting on / off environment of garden. You can used it for lighting on / off inside of shopping or home . You can used it industrial heating , cooling You can use it for irrigating your garden . You control your electricity pump by phone. You can used it whatever your images We have many models. Nefer NF3230 model is controlled them by telephone line . Nefer NF3270 model is controlled them by GSM (CELL) line. Besides this All this models have one or three outputs . It means that you can control three devices at the same time and separately each other..