This is a kind of quality clock, LCD display, clearly display the time, calendar, week, temperature, humidity, and etc.. Selected high accuracy temperature and humidity sensors, let you knew the weather situation clearly. You can have a try.Features:1. Measuring indoor and outdoor temperature and humidity, Celsius and Fahrenheit conversion.2. The screen size is so large that even the elderly can see the times.3. Display the temperature so you can sense it without looking at the weather forecast.4. When the battery is low, there is an icon to show, so that you can charges it in times.5. With alarm function, you don"t have to worry about oversleeping.Specifications:Product model: MY-13Indoor and outdoor stability measurement range: -10~50℃Temperature measurement accuracy: ± 1℃Temperature resolution: 0.1℃Humidity measurement range: 10%RH~95%RHHumidity measurement accuracy: ± 5%RHHumidity Resolution :1% Resolution :1%Temperature/humidity measurement period: 2 secondsDisplay mode: LCD displayOperating voltage: 3.7VPower supplys battery: 300mAhItem size: 125 * 77 * 16mm / 4.9 * 3.0 * 0.6inItem weight: 78g / 3.1ouncePackage size: 160 * 90 * 20mm / 6.3 * 3.5 * 0.8inPackage weight: 110g / 4.3ouncePacking List:1 * Alarm Clock1 * USB Cable1 * English Manual