Usage Tips:[Weather Station Indoor Outdoor Thermometer] VA screen display is clearer and brand-new design. Larger, clearer screen viewing angles, comfortable color, indoor outdoor temperature (C/F), inside outside humidity, barometric pressure, moon phase, calendar, atomic clock, weather forecast , daily MAX/MIN data. [Support up to 3 High-Precision Sensors] Wireless temperature forecast station supports up to 3 remote sensors(1 included in the package) to monitor inside outside temperature & humidity of multiple locations. 433.92MHz RF transmitting frequency. 60 meters transmission range in an open area. [Measurement ranges] Indoor temperature measurement ranges: -9.9C (14.2F) - 50C (122F); Outdoor temperature measurement ranges: -40C (-40F) - 70C (158F); Temperature alternatively in C or F. Humidity measurable range: 20%RH - 95%RH [Barometric Pressure Trend and Weather Forecast] Relative air pressure/absolute air pressure can be .The outdoor weather station predicts the weather conditions in 12-24 hours according to the change of air pressure trend, and it will take 7-10 days for learning and calibration when it is used for the first time. [The MAX/MIN] Easily obtain the maximum value of temperature and humidity in the past 24 hours. Time in optional 12/24 hour format Perpetual Calendar Up to Year 2099 Day of week in 7 languages Dual alarms Snooze time setting (1-30Minute or OFF) Remote sensor low battery indicate Comfort level dictator Weather forecasting and barometer function Ice alert Time and temperature projection function Projection display 180 degree rotation function Maximum /minimum value record of temperature and humidity Power Supply: Weather Clock: Battery:CR2032 (Backup) (not included) USB Cable:DC5V1.2A Remote Sensor:2 x LR06 AA Battery (not included) Style: modern and simple Display type:LCD Digital Screen Note:the product can use three sensors at the same time, and one sensor is provided by default when shipping. Colour:Black Material:Plastic Size:204x82x37.5mm/8.03x3.23x1.48inch Package Contents: 1 * Projection Weather Clock 1 * Sensor 1 * USB Power Cable 1 * Instruction Manual (EN/FR/DE/IT/ES) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.