LCD Digital Thermometer Wall Hang Stand Magnet Waterproof Refrigerator Frost Alert Temperature Meter Detector Fridge Freezer

Battery Included : No High-concerned chemical : None Electronic : No Theory : Multifunctional Thermometer Power Type : Button Battery Certification : CE,RoHS Origin : Mainland China Max Measuring Temperature : 100°C - 119°C Style : Standing and Wall Hanging Brand Name : YIDI Is Smart Device : No Use : Indoor Display Size : 2.0 - 3.9 Inches Testing Temperature Range : -20~110 centigrade / -4~230 Fahrenheit degree Frost Alart : 4~7.9 centigrade Power : 2*AG10(LR1130) Battery (not included) Installation Way : Magnet Attraction/ Stand/ Hang/ Suction Cup hook /