FUNCTIONAL SENSOR:This product is 's latest and improved version of the weather sensor that will all wifi weather station (sold separately). Our home wireless weather station expand to three (3) channels to enable them to collect data from three (3) different locations and are designed to display outdoor temperature and humidity. WEATHERPROOF DESIGN:Our outdoor wireless thermometer sensor is built to withstand harsh conditions. We recommend placing this home weather station wifi sensor under a shelter for longer-lasting performance. Ideal for use with any weather station home setup, ensuring consistent and reliable weather data even in tough weather. WALL OR DESK PLACEMENT:Easily set up this wireless home weather station sensor on a shelf or on a wall. This versatility ensures you can place this outdoor thermometer wireless sensor wherever you need in your home, providing easy access to accurate weather information from your weather station wifi system. EXTRA SENSOR FOR MULTIPLE LOCATIONS:Expand your wireless home weather stations with this extra sensor, designed to support all three channels of your professional weather station. This weather monitoring sensor is a perfect addition for users who want to track conditions in multiple rooms or outdoor areas at once. BATTERY-POWERED OPERATION:Powered by two AA batteries (sold separately), this weather monitor wireless sensor ensures smooth operation without cords or wires. Set it up effortlessly with your home weather stations for home, ensuring seamless wireless weather station connection and accurate data transmission.