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