geevon weather station wireless indoor outdoor thermometer multiple sensors, color lcd display digital weather thermometer with atomic/alarm clock, calendar and adjustable backlight geevon <p><b>know better of temperature and humidity around your home with geevon weather station wireless indoor outdoor ! </b><br></p> <p><b>package contents:</b></p> <p>4 zone color weather station display (use 3 aaa batteries, not inclu)</p> <p>outdoor remote sensor (use 2 aaa batteries, not inclu)</p> <p>power supply unit</p> <p>instruction manual</p> <p><b>specifications:</b></p> <p>indoor temperature: 32°f – 122°f (0°c – 50°c )</p> <p>outdoor temperature: -22°f – 158°f (-30°c – 70°c)</p> <p>accuracy :</p> <p>-22°f–-4°f(-30°c~-20°c):±39.2°f(±4°c)</p> <p>-4°f–32°f(-20°c~0°c):±35.6°f(±2°c)</p> <p>32°f–122°f(0°c~+50°c):±33.8°f(±1°c)</p> <p>indoor humidity: 20% - 95% outdoor humidity: 20% - 99%</p> <p>accuracy: ±5% from 35% to 75% and ±10% from 20% to 35%, 75% to 95%</p> <p><b>faq:</b></p> <p><b>q:</b>why does the backlight couldn't saty on? </p> <p><b>a: </b>it will be closed temporarily when weather station under the rcc receving mode. </p> <p><b>q:</b> why the remote sensor doesn’t work?</p> <p><b>a:</b>the outdoor sensor and main unit must be within 200ft (60m) of each other. make sure the channel chosen on the sensor is different from each other(channel 1, 2, 3).</p> <p><b>warm tips: </b><br></p> <p>do not place the weather station sensor in direct sunlight as it will cause inaccurate reading. away from any heat sources, vents or moisure sources.</p> <p>to prevent wireless interference, place both units at least 3ft(1m) away from electronic devices such as computer, mobile phone, tv, etc.</p> <p>common to weather forecasting, absolute accuracy cannot be guaranteed.</p> <p><b>note: please read the user manual before using this weather station. if you have any questions, please feel free to contact our customer service: support@geevon.com.</b></p>