The mini LCD digital thermometer hygrometer is very popular and is widely used in living room, greenhouse, musical instrument room, wine cellar, basement, warehouse, attic, baby room, cloakroom. Battery: two LR44 button batteries, size: 48 * 28.6 * 15.2 mm. The small portable temperature and humidity meter is suitable for every scene. In addition, its beautiful and elegant appearance is also the beautiful decoration of the room. Measurable humidity range: 10% -99%, humidity measurement accuracy: 5% - 10% (room temperature 25 ?). Reliability, measuring every 10 seconds, provides you with the latest and most accurate readings. Measurable temperature range: -50? ~ +70?, temperature measurement accuracy: 1.0?. You can see the current climate of the room and use a humidifier to adjust the temperature and humidity of the room as needed. Easy to read: With LCD display, better visual effects, you can see the temperature or humidity in the distance. This LCD thermometer s a probe, which can test some places in depth, the results you want easily. Product feature: 1. LCD digital thermometer temperature sensor tester for refrigerator freezers aquarium 2. This is a portable temperature sensor, it can also be used to test the temperature of objects through the metal sensor. 3. Modeling simple LCD screen, elegant, moisture-proof, strong interference suppression, apply to refrigerated cabinets, counters and other temperature measurement needs. Product specifications: Temperature range: -50 ~ 110 ? Using temperature: -10 C ~ 50 ? Temperature measurement accuracy: 1 ? Power supply: 2 x 1.5V LR44 button batteries (not included) Note: This thermometer cannot work in a low temperature environment for a long time, because long periods of low temperature will damage the batteries. Package included: 3x Thermometer Hygrometer LRFR is committed to providing each customer with the highest possible quality of customer service.