Wireless Thermometer Hygrometer Touch Screen Weather Station With Thermometer Outdoor Forecast Sensor Clock. Features: - Mutifunctional Weather Station with LCD Touch Screen. - BACKLIGHT :Press [ LIGHT ] button on top, the backlight will be on for 20 seconds. - Up to 3 Channels Outdoor Temperature Display. - Max & Min Temperature/Humidity Record. - Low battery indicatorWorking WayWith a hole on the back for hanging. - With a support on the back for standing. (But the additional remote sensor is not on sale yet,Only one channel can be display currently, we will sale additional remote sensor at future,please kindly understanding) Specification: Material: ABS. Color: White. Weight: 277g. Size: 14.1cm x 9.4cm x 2.2cm. Soft Eye-Care: White Back Light. Weather Forecast: Sunny & Partly Cloudy & Cloudy & Rainy. Temperature Indoor Range: 0°C ~ 50°C (32°F~122°F). Temperature Outdoor Range: -20°C~ +60°C (-40°F~140°F). Humidity IN & OUT Range: 20% RH ~ 90% RH. Monitor Battery: 3 x AAA batteries (Not included). Remote Sensors Battery: 2 x AAA Batteries (Not included). Effective Distance Between Main unit and Sensor: 100 Meters Wireless Transmitter in Open Area. Package Includes: 1 x Touch Screen Weather Station Clock. 1 x Outdoor Sensor. 1 x English User Manual