Please rest assured to buy, we will send you the corresponding version according to the usage standards of the country you purchased. Main Funtion: This kit including one wifi water timer and one wifi gateway. one gateway can pair with max 32 water timers. Bluetooth communication with wifi gateway and water timer. Set and check irrigation schedule through smart phone APP. Manually rain delay function. manually watering. Normal timing, cyclic timing for watering.build-in filter. Technical Parameter: 1 inch BSP or 3/4 inch NH inlet.3/4 inch outlet thread. Working pressure:0.02MPa 0.8MPa Max flow:5L/min-35L/min IP55 water proof Working temperature 0-50 Celsius Battery life 6 months wifi timer power by 4 AA batteries.(battery Not included)wifi gaterway power by AC power Product advantages 1. The product setting is simple. Compared with the traditional water valve, the product setting and operation are simple 2. The timing program can continue to run without connecting to the gateway or mobile phone 3. According to the local weather, the water valve automatically delays watering (requires a gateway), and the weather delay can also be set manually 4. The timing program is flexible, customers can set multiple sets of timings according to the use scene, up to 15 sets