The GPS is designed to determine the position of moving objects all around the globe at any time and in any weather conditions. GPS makes it possible to continuously determine the coordinates of moving objects and their speed as well as the exact time with regard to any point in the world.
With one SMS on or off garden irrigation system / heater / air conditioning and more. How it works, its plug plugs into the power supply of 220V, and the desired control unit is included in the set. Sending SMS to a card number found in it and it includes garden irrigation system (the corresponding product). The cessation of the activity is to send SMS to the device and it stops the garden irrigation system. With rising fuel prices drive PD4 saves the cost of journeys required for the maintenance of greenery in the yard and in cold weather helps to warm the house before arrival.
Remote control of appliances
device is applicable for appliances with power up to 3000W. For appliances with high power devices are prepared to custom. Sim card located in the device, as well as that from which it is operated, owned by the customer. The price of SMS is according to the tariff plan you are using by your service provider. PD4 device can be controlled from any GSM phone via SMS and encrypted message.