You think this is a MP3/MP4 player? Actually it is not. What we present here is an indoor outdoor digital LCD hygrometer and thermometer. With a music player looking, this gadget is a both a hygrometer and thermometer. Powered by 1xAAA battery and with a 1.5-meter long outdoor sensor cable, this Indoor and Outdoor Hygrometer and Thermometer simultaneously display indoor and outdoor temperature and humidity on the LCD screen. Both 'C and 'F (Celsius and Fahrenheit) temperature degrees are showed large and clear on the screen. This digital LCD hygrometer and thermometer is a very good tool for detecting the degree of humidity and temperatures. Moreover, made of high quality of materials, this digital LCD hygrometer and thermometer is durable and reliable for longtime using. Checking the temperature with digital LCD hygrometer and thermometer, you could keep the heath of your family and yourself! Sometimes, love is just this simple. Order one; you are sure to benefit from it!