Bluetooth programming and password protection. Easy operation via smartphone ("Hunter BTT" on Android & iOS). Control of multiple water timers. Automatic interruption of water after 1h. Sturdy filter. Batteries and tap connection included. Manual mode with push button. Option: BTT-LOC for connection of a drip hose 10-18 mm. Characteristics: Zones: 1 of 2. Duration: 1 sec. up to 24 hours, with 4-hour start time. Cycle mode repeats continuously (ideal for dripping). Interruption of spraying up to 99 days (overwintering). With Cycle and Soak this feature prevents water waste and runoff