Please rest assured to buy, we will send you the corresponding version according to the usage standards of the country you purchased. Smart Tuya Bluetooth Garden Water Timers Rain Delay Programmable Automatic Sprinkler Drip Irrigation Valve Support Alexa BY Group Controls Multiple devices can be controlled as a group. Multiple irrigation mode options Timer your weekly schedule for automatic watering with two schedule types optional Rain Delay Function Set Rain Delay in App with 24H, 48H and 72H, Watering delay in rainy days for saving water. Remote Control Timely Control of Plants Irrigation, No matter where you are. Note:add the Bluetooth gateway for much stabler control for controlling range restricted with bluetooth signal of mobile. Waterproof level IP55 You can use it outdoors with confidence without worrying about damage to the equipment caused by rainwater. Irrigation History Function Irrigation History Available in App for Water and Energy Saving. Multiple Usage You can use it in a variety of scenarios such as Garden irrigation, Drip Irrigation, Lawn irrigation, etc. Multiple control modes You can connect the device directly through the Bluetooth of your mobile phone, or you can control the device through the Bluetooth gateway. Note: Connect the device through the Bluetooth gateway to get a longer control distance and all the functions of the product. ",