Please rest assured to buy, we will send you the corresponding version according to the usage standards of the country you purchased. Tips for purchase: This product is Zigbee version, Users must have/already bought a tuya zigbee hub to operate. If without a zigbee hub, then such model will not work. There are two versions: Tuya Smart Zigbee Water Valve and Tuya zigbee Soil Moisture and Temperature Sensor could be choosed! Tuya Smart Zigbee Water Valve(The connected protocol of soil sensor is Zigbee, and requires Tuya zigbee gateway to connect the mobile phone APP) Product parameters: Product name: Tuya Smart Zigbee Water Valve Caliber: "or "&1" Waterproof Level: IP66 Withstand water pressure: 0.2~8bar Battery type: 4*AA Alkaline Dry battery (Not include battery in shipment) Connected protocol : Zigbee Performance and instructions: Smart water valve Remote operation:remote control of mobile APP anytime and anywhere,manual control offield devices and timing control of APP. Signal distance:the open distance between gateway and smart water valve is 50meters . Battery: 4*AAalkaline dry batteries are used. (Not include battery in shipment) Protection grade:IP66. Smart water valve can be installed and used outdoors . Instructions for use: 1. One gateway can be connected with 8 smart water valves. 2. The open distance from the gateway to the smart water valve is 100 meters,(determined according to the actual in stallation environment). 3. Zigbee signal can not be relayed and jumped through smart water valve. 4. After setting the timing, if the smart water valve is offline , it will be watered according to the timing program. 5. Operational requirements of water flow meter: the water flow rate is at least 2L/min , and the water flow is too small to drive the flow meter to work . There will be a false alarm of"water shortage warning". 6. Statistics will be recorded only when the smart water valve is online for historical records. 7. Water shortage reminder: When the water valve is opened and there is no water the water shortage warning will be prompted after 15 seconds in the connected state. Tuya zigbee Soil Moisture and Temperature Sensor (The connected protocol of soil sensor is Zigbee, and requires Tuya zigbee gateway to connect the mobile phone APP) Product parameters: Product name: Tuya Smart Zigbee Soil Moisture and Temperature Sensor Battery type: 2 pcs 1.5V AA batteries(Not include battery in shipment) Battery lifetime : Battery of 2000mAh last for over 6 month Wishmaking Ranges : 0~100% Moisture accuracy : 0~50%3% ), 50% ~ 100 ( 5%) Temperature range : -20 ~ 60 Accuracy temperatures : 1 Connected protocol : Zigbee App response time : 60S Protection level : IP6 7 Size : Length 180mm,Width 46.5mm,Probe 60mm Product overview: Dear users, thanks for using our soil sensor. Please kindly read the manual before using the sensor, it can help you with perfect functions and services. The soil sensor is designed with a probe which is made of austenitic 304 stainless steel and has the features of good corrosion resistance and toughness. The mobile APP can view real time moisture data, and work with our smartgarden timer to realize automatic intelligent irrigation. Product features: 1. Monitor real time soil moisture and temperature . 2. Mobile APP to view the historical record curve . 3. Linkage with our smart garden timer to realize automatic irrigation . 4. Powered by two AA batteries, low power consumption and strong battery life . 5. Using highly sensitive probe, fast response, stable and reliable, accuratemeasurement . 6. Quick plug in and easy to measure Application scenes: Suitable for various gardening places, satisfy soil mo i sture measurement in different plantation to provide all-round care for flowers and plants. Examples: farm / greenhouse / orchard nursery / garden lawn / potted plant / garden horticulture etc. Product parameters of Zigbee Gateway: Tips for purchase: All products here are Zigbee versions,. Zigbee products require a zigbee gateway to be used. Users must have/already bought a tuya zigbee gateway to operate. If without a zigbee gateway, then such zigbee door/water/temperature models will not work.(If user do not have zigbee gateway, this store has a mini gateway for sale, you can buy it directly). Description: Tuya's ZigBee smart wireless gateway supports 2.4G WIFI network direct connection, and the device communication network is ZigBee3.0 Product function: Doctrine is used with ZigBee series products of the graffiti