Backlight (touch and off for seconds, in and it will stay on). The external transmitter is, level: IP4, can be exposed to rain. Refresh for frequency: 10 seconds. Wireless receiving range: 328ft/100m (open area), receiving for frequency: 433MHz.
The Wireless Thermometer for Home with Touch Backlight and Waterproof Transmitter would be ideal for households and outdoor applications requiring quick and accurate temperature monitoring.
