Features 1、Accurate measurement, refreshing data every 5 seconds, monitor the feeding environment at any time. 2、Suitable for home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories and places equipped with air condition, etc. 3、2 in 1 instrument with built‑in probe, digital electronic thermometers and hygrometers, used to measure indoor temperature and humidity. 4、Suitable for all kinds of reptiles such as spiders, scorpions, horned frogs, lizards, chameleons, tortoises, snakes, etc. 5、Small size, beautiful and practical, durable and portable, can save space and carry it with you. Specifications Condition: 100% Brand New Item Type: Thermometer Hygrometer Material: ABS Color: As shown in the picture Size: Approx. 4.8x2.9x1.5cm / 1.9x1.1x0.6in Weight: Approx.85g/3oz Battery: 2 x AG13 Button Battery (Battery Not Included) Battery Capacity: 160 mAh Temperature Test Accuracy: ±1.0℃ Temperature Sampling Cycle: 10 seconds Relative Humidity Test Range: 10%-99% Humidity Display Resolution: 1% Humidity Test Accuracy: ±5% (under room temperature 25℃) Temperature: -50-60°C Display Resolution: 0.1℃ Display Mode: LCD display (three and a half digits) Power Consumption: 0.15 milliwatts under working condition Temperature Measurement Accuracy: ±1℃. Package List 4 x Thermometer Hygrometer(Battery Not Included) 4 x English Manual