Gouptec Mechanics Combination Quartz Clock/Humidity/Thermometer Meter Steel Core Pointer Digital Fit For Car Autos Time Note:This product is a Not Luminous Car Mechanics Quartz Clock The clock is quartz watch ,power supply :A button battery. The price of this product is a set of clock /temperature/ humidity /combination! Seiko steel core material automotive mechanical temperature and humidity table thermometer on-board clock quartz This product is easy to use, can stick and you can buy the Dial Mosaic or buy a With the decoration of the back cover device, using at home,in car! Delicate and high-grade!