1. Function Overview: 1. LCD display 2. Dimensions 48 * 28.6 * 15.2 mm (there is a small error in measurement) 3. LCD display size: 35.7 * 16.8 mm (there is a small error in measurement) 4. Weight: 35 grams (including battery) 5. Humidity display 6. Humidity measurement range 10% ~ 99% 7. Humidity display resolution 1% 8. The humidity sampling period is 10 seconds (1 minute) 9. The humidity measurement accuracy is 5% 10. Rated voltage DC1.5v (2 AG13 button batteries) 11. Temperature measurement range -50 to 70 12. The temperature measurement accuracy is 1 C (at normal temperature) 2. Battery installation Return to the back of this product; Push the battery compartment cover in the direction of the arrow, insert two LR44 button batteries into the battery compartment 3. Installation and operation Embedded installation This LCD digital thermometer and hygrometer has a 1.5m long probe, which can test the temperature and humidity in some special places. It has been widely used in aquariums, poultry, reptiles, incubators, greenhouses, etc. Size: about 48mm * 28.6mm * 15.2mm LCD screen size: about 35.7mm * 16.8mm Measuring temperature range: -50C ~ +70C Embedded installation design. Description: Measuring temperature range: -50C ~ 70C Measuring humidity: 10%RH ~ 99%RH Temperature accuracy: +1/-1C Temperature display resolution: 0.1C Operating voltage: 1.5V AG13/LR44 battery Sampling time: 10S Size: about 48mm * 28.6mm * 15.2mm LCD screen size: about 35.7mm * 16.8mm Color: black Working voltage: 1.5V signal Power source: 2 x LR44 button batteries (included) This LCD digital thermometer and hygrometer has a 1.5m long probe, which can test the temperature and humidity in some special places. It has been widely used in aquariums, poultry, reptiles, incubators, greenhouses, etc. Package includes: 1 x Digital Thermometer Hygrometer Shop tips: 1. The size is measured manually, please allow the error (1-3 cm). 2. Due to different monitor pixels, there may be some color difference, please refer to the actual product.