Basic RF kit comprising control unit and radio remote control. The unit can operate up to 4 independent solenoid valves. It is a fully watertight unit, with certified protection IP 68, and can be installed directly inside the valve box. Power is provided by two 1.5V AAA alkaline batteries, which will last an entire season. The control unit can also be operated manually. Can be connected to RF Rain Sensor (90831). The radio remote control can operate up to 2 control units. It has just 5 buttons, for easy programming. All the necessary information is displayed clearly on a large screen, using symbols and numbers. U p to 2 daily programmes for each unit, with 4 starts per day. Weekly programming, with the exception of the days you wish to omit. The programme set for each unit can be viewed and deleted. Charge level indicator for the batteries of associated units (unit or RF Rain Sensor). O perates with two 1.5V AAA alkaline batteries, which will last an entire season.