Features: [VA Large Color Screen]Solid Wood Frame Design with VA clear color screen, which displays more informations you need: Time / Calendar / Week / Comfort Index / Air Pressure / Indoor outdoor temperature and humidity / Weather forecast / Change trend display. [Wireless Outdoor Sensor]433.92MHZ RF transmitting frequency, 50 meters transmission range in an open area. Up to 3 wireless outdoor sensors can be connected. [Switchable Format]Temperature alternatively in ℉ or ℃. Pressure alternatively in inHg or /mb. Time in 12/24HR format with Dual alarms. [Brightness Adjustable ] Only when the power cable is connected can the backlight be turned on continuously, 4 levels brightness adjustable. The battery only use the backlight to light up for 10 seconds. With snooze function ( OFF or 1 ~ 30min). [Widely Used]Suits scenario like bedroom, attic, garage, pet case, cellar, refrige etc. Temperature alert can be setted, When the indoor and outdoor temperatures reach the set alarm value