1. Function overview: 1 LCD display 2. Dimensions 48*28.6*15.2mm (in the measurement is a little error) 3. LCD screen size: 35.7*16.8mm (in the circumference is a little error) 4. Weight: 35 grams (battery included) 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 x AG13 batteries) 11. Temperature measurement range -50 to 70 12. Temperature measurement accuracy is 1C (at normal temperature) 2. Install the battery Return to the back of this product; Slide the battery compartment cover in the direction shown by 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 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 Screen Size: Approx. 35.7mm*16.8mm Measurement range: -50C~+70C Design built-in installation. Description: Measuring range: -50C ~ 70C Measure Humidity: 10%RH~99%RH Temperature Accuracy: +1/-1C Temperature display resolution: 0.1C Working voltage: 1.5V AG13 / LR44 battery Sample time: 10S Size: approx. 48mm*28.6mm*15.2mm LCD Screen Size: Approx. 35.7mm*16.8mm Color: Black Working Voltage: Signal 1.5V Power Source: 2 Button LR44 Batteries This Digital LCD Digital Thermometer and Hygrometer has a 1.5 long probe m can test 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 different monitor pixels, there may be color difference, please contact the actual product.