Supports 2.4GHz Wi-Fi wireless connection Supports Bluetooth fast network allocation Supports remote control of water valve switch by mobile phone Supports local key switches Supports timing switch water valve watering, time-limited watering, and quantitative watering; low power reminder with APP push when power is too low; easy installation with 4 replaceable AA batteries, no wiring required; supports scene linkage and family sharing for multiple users; high waterproof level for safe use; built-in flow sensor with real-time display of flow rate and water consumption in the APP. Power supply: AA/LR6 1.5V * 4 (replaceable) Water pipe size: 3/4 Inch Thread specification: NH Standby power consumption: 200uA Bluetooth version: Bluetooth 5.0 Wireless standard: IEEE 802.11b/g/n Wireless frequency: 2.4GHz Wireless distance: 45M Velocity range: 1 ~ 35L/min Waterproof class: IP65 Working water pressure: 0.03MPa ~ 1MPa Operating temperature: -10 ~ 60℃(14 ~ 140℉) Working humidity: 1% ~ 95%RH (non-condensing) Size: 137mm X 126mm X 54mm Color: As Shown Material: plastic Package Contents: 1*Smart Sprinkler Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.