Made out of a durable and lightweight ABS material. This digital thermometer provides you with accurate temperature readings both inside and outside simultaneously. Detect humidity between 20%-95%, indoor temperate range -10°c to 60°c and outdoor range -50°c to 70°c. Short press the "SET" button to switch ℃ or ℉. The transmission distance is 100m. Comes with a 3-inch LCD screen, large bold numbers and an orange backlight to ensure comfortable viewing at day or night. Note: press the "LIGHT" button once, and it will turn off automatically after 10 seconds without operation. It can be used for offices, hotels, greenhouses, bedrooms, schools, baby rooms, warehouses etc. Powered by 2 x AAA batteries which are not included in this product. Material: ABS Colour: White Package size: 13cm x 3.7cm x 11.2cm Weight: 0.13kg Note: Please note that this product only includes the thermometer set, no other items. Due to lighting and screen settings, please allow a slight difference in colour. Due to manual measurement, please allow a slight difference in size. What's in the box? 1 x Indoor thermometer 1 x Outdoor sensor