Model: H5107 Experience precise and hassle-free temperature monitoring with our advanced outdoor thermometer. With its IP65 waterproof rating, this Wi-Fi thermometer is built to withstand any weather conditions. You can also use the 2-year maximum battery life through Long Life Battery Mode to monitor plants and other vital spaces in your home. Note: If you want to receive an app alert, please must purchase a Wi-Fi gateway+sensors version, wifi gateway is not sold alone. IP65 Waterproof for All Conditions: Our outdoor thermometer can withstand rainy days and various humid indoor and outdoor environments. Longer Monitoring Range: Utilizing the LoRa module, our thermometer offers an impressive communication range of up to 400m/1312ft. More Sensitive to Temperature & Humidity: It samples temperature data every 2 seconds, immediately reporting any 0.5°C temperature change. Intelligent Control and Smarter Push Notifications: Set customized temperature and humidity ranges through the user-friendly app. Long-Lasting Battery Life: Activate the long battery life mode for better efficiency, extending the lifespan to an impressive 2 years.