Features1Wireless weather clock, using high?tech touch technology, with touch screen, easy to operate. 2Integrated wireless sensors, measure wind speed/wind direction, temperature, humidity, rainfall, ultraviolet rays and solar radiation. 3Can be display time, real?time monitoring of indoor and outdoor temperature and humidity, with high accuracy. 4Support wireless transmission, the transmission distance is 100 meters in the open, and the effective distance is 30 meters. 5With an intimate child lock function, it can be hung or placed on the desktop, suitable for home use.SpecificationItem Type: Weather ClockMaterial: ABSWeight: Approx. 399g / 14.1ozTemperature Resolution: 1Humidity Test Range: 20%-95%Battery Properties:Weather Clock: 3 x AAA Battery 500MAH (Battery Not Included)Sensor: 3 x 1.5V AAA Battery 500MAH (Battery Not Included)Wireless Transmission: Open transmission distance 100m, effective distance 30mClock Size: Approx. 13.5x3x13.5cm / 5.3x1.2x5.3inSensor Size: Approx. 2x3.4x9.2cm / 0.8x1.3x3.6inPackage List1 x Weather Clock (Battery Not Included) 1 x USB Cable 1 x Sensor (Battery Not Included) 1 x Fixing Tool 1 x Screwdriver 1 x Manual