The Hozelock Sensor Controller Plus is a tap-mounted watering controller, automatically waters every day at sunrise and sunset - the best time to water the garden. It features adjustable watering schedules for every day, every 2 days, 3 days, 5 days, or once a week. The controller is easy to set up and automatically adjusts its daily watering schedule to coincide with the changing time of sunrise and sunset. The watering time can be selected from 2, 5, 10, 20, 30 or 60 minutes, for different weather conditions. In addition, the controller plus features a 'Water Now' button for 10, 30 or 60 minutes of watering at any time. It has a battery status LED indicating the strength of the remaining battery. A built-in safety feature detects when the battery levels have dropped to a level, which could fail whilst a watering schedule is in progress. Supplied with a choice of 21mm (1/2in BSP), 26.5mm (3/4in BSP) or 33.3mm (1in BSP) adaptors for connection to most garden taps. Requires 2 x AA