Ambient Weather WS-06 Easy-to-Read Wireless Thermometer with Indoor Adjustable Humidity The Ambient Weather WS-06 displays indoor and outdoor temperature and indoor humidity with large, bold, easy to read numbers. The Ambient Weather WS-06 Wireless Thermometer with indoor temperature and humidity is an easy-to-read and economical way to track temperature and humidity in your home or office. This sleek white display can monitor up to three remote locations. The WS-06 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), you can place the WS-06 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.