Ambient Weather WS-05-2 Dual Zone Easy-to-Read Wireless Adjustable Thermo-Hygrometer Includes two display consoles that simultaneously reads the data from a single remote sensor so you can view data from two different locations! The Ambient Weather WS-05 displays indoor and outdoor temperature and humidity with large, bold, easy to read numbers. The Ambient Weather WS-05 Wireless Adjustable Thermo-Hygrometer is an easy-to-read and economical way to track temperature and humidity in your home or office. Featuring a jumbo display unit with 3/4" tall digital numbers, this sleek white display can monitor up to three remote locations. The WS-05 comes with one remote sensor, but two additional sensors can be purchased separately and added. With the main display unit measuring 4.25 x 3.5 x 1.0 inches (WxHxD), and a display that includes comfort and trend indicators, you can place the WS-05 on your desktop or hang it from a wall. The remote sensor has a transmission range of up to 300 feet, 100 feet under most conditions.