Meters -Wireless Indoor Thermometer Hygrometer Highlights Generic Brand Wireless Indoor Thermometer Hygrometer Description: Large screen LCD color backlight. Unique voice-activated wake-up function (when the backlight is off, sound over 90dB in a meter activates the backlight for 10 seconds). Multifunction: Time, Date, Week, Temperature, Humidity, Pressure, Alarm, Weather Forecast, 12/24 Settings, Alarm, Sleep, Low Voltage Display. Indoor and outdoor temperature and humidity measurement. Weather forecast: sunny, partly cloudy, cloudy, rainy, torrential rain. Specification: Product Model: TS-8210 Wireless Connection: Line of sight wireless transmission (outdoor): In most cases, 100 meters. Frequency: 433 MHz Update rate: temperature and humidity sensor is 60 seconds. Measurement: Indoor temperature: 0~60C, accuracy: 1C, resolution: 0.1C Outdoor temperature: -40~60C, accuracy: 1C, resolution: 0.1C Indoor humidity: 10~99%, accuracy: 5% (20~90% guaranteed), resolution: 1% Outdoor humidity: 10~99%, accuracy: 5% (20~90% guaranteed), resolution: 1% Atmospheric pressure: 300 ~ 1100 HPA, accuracy: 3 HPA, resolution: 0.1 HPA Power consumption: Base station (display console): 3 AAA 1.5V alkaline batteries or lithium battery (except ) Hygrometer sensor: 2 AAA alkaline batteries or lithium battery ( except ) Battery life: well received base stations need at least 12 months. Intermittent reception and multiple sensors can reduce battery life. Sensor for at least 12 months (using lithium battery in cold climates below -2C) Size Chart: Receiver Size: Approx. 21.5 x 16 x 3 cm Transmitter size: approx. 7.5 x 5.5 x 2cm Package includes: 1 piece Transmitter 1 piece Receiver 1 piece USB Cable 1 piece User Manual Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thank you for understanding.