Please rest assured to buy, we will send you the corresponding version according to the usage standards of the country you purchased. About this item 1. COMPLETE CONTROL: The smart life or tuya smart app is fully functional for android and iOS devices and gives you control wherever you need it, from anywhere in the world, program the timer using the app. 2. CONTROL FROM ANYWHERE: Smart life or tuya smart connects to Wi-Fi, giving you complete control over your watering, no matter where you are. No Wi-Fi? You can still connect to Bluetooth from up to Within 15m, and begin watering. 3. SMART WATERING: According to the local weather, the water valve automatically delays watering (requires a gateway), and the weather delay can also be set manually. 4. EXPANDABLE SYSTEM: Expand your system to control one or multiple timers with the Smart life or tuya smart app. Combined with the network meshing enabled through Wi-Fi, the timers will communicate with each other to ensure they dont water simultaneously. (one gateway can pair with max 32 water timers.) 5. EASY TO INSTALL AND USE: Setup is very straightforward and simple just download the smart life or tuya smart app and create an account, then install your timer at your hose faucet, then program your timer in minutes. Technical Specifications Inlet /Outlet ConnectionsStandard 3/4-inch Hose Operating Pressure7.25-116 PSI Temperature operating range: 40.1F-113F(4.5C-45)For outdoor use with cold water only Batteries: 4 AA(without included) Wifi Bandwidth: 2.4Ghz Bluetooth: 4.2 Raggio Bluetooth: 15M senza interferenze Waterproof grade: IP55 Wi-Fi Hub Input voltage: AC100-250V Total Number Connected: 32 Max APPSmart Life and Tuya Smart Notice: 1. The timer with gateway can be controlled remotely via WiFi. If the timer without gateway, it can only be controlled over a short distance via Bluetooth. 2. The more you order, the more offers, please