Very easy to use watering computer for garden and landscape watering. Easy to program. Easily adjustable water consumption from 0 to 150%. 3 programs with 4 start times each. Programming remains recorded even in the event of a power failure. Adjustable regardless of day, even/odd days or interval. Sensor port, the sensor is adjustable by zone, battery port to pass time and program the controller remotely. Adjustable watering time from 0 to 4 hours in 1 minute increments. Outdoor models have a resealable plastic case with a built-in adapter.