* Batteries not included, takes 2 triple A's The Orbit Watering System 56545 Timer is a programmable 4-outlet water timer suitable for both indoor and outdoor use. It features a digital control style with an LC-display and can water up to 4 different zones with individual watering schedules. The timer has a water now function, auto-off feature, and can water every 3rd day for flexible automatic irrigation. It is compatible with the Orbit B-Hyve smart home system but the compatibility with other smart home systems is unknown. The timer is powered by AAA batteries and has a water duration of up to 6 hours. The Orbit 56545 Timer is perfect for occasional watering, plant pot irrigation with a micro-drip-system, and flexible automatic irrigation with individual watering schedules.