DescriptionThis thermometer is Internal and external temperature measurement, clock display function, ultra-thin shell. They are made from top-class material with strong durability. Corrosion resistance will ensure its highly performance in working.Features- Color: black. - Material: Plastic. - Size: 7.5x3x1.7cm - Temperature range: -50 to +70; - Resolution: >-20 is 0.1 - In pieces - 20or less is 1.0- Power source: 1.5v button battery (LR44) - Precision: 1 - Made of material for durable use. - It is suitable for the temperature measurement of aquatic reptiles, indoor and outdoor, air conditioner, refrigerator and vehicle. - Internal and external temperature measurement, clock display function, ultra-thin shell . - Self-adhesive, easy to install, no need to drill. - A great gift for your friend and family.