Digital Thermometer Hygrometer In/Outdoor Temperature Humidity Tester with Probe Features: This product is used to measure temperature and humidity of indoor and outdoor. Perfect for home supplying,egg incubator, pet keeping ect. / display is switchable, convenient to operate. The IN/OUT button can switch IN/OUT display. With MAX/MIN temperature & humidity and automatic memory function. Each external probe has cable length of 1.5M with suction cup. Simply installed on the glass/acrylic board or just placed on the table. With magnet , can be hung on metal material. Specifications: Material: Plastic Shell Type: LCD Digital Thermometer and Hygrometer Thermometer Deviation: 1 Hygrometer Deviation: 5% Indoor Temperature Range-10C~50C (14F~122F) Outdoor Temperature Range: -50~70C- 58F~158F Outdoor Humidity Measuring Range:-10~ 95%RH Battery:1 * 1.5V AAA(not included) Updating Frequency: 10S Size:63x63x12mm Package Included: 1 * Digital Temperature and Humidity Meter