Built-in probe, compact and lightweight, beautiful and practical, accurate measurement, easy to use for smaller feeding space. Suitable for all kinds of reptiles, such as: spiders, scorpions, horned frogs, lizards, chameleons, tortoises, snakes, etc. Features: Built-in probe, compact and lightweight, beautiful and practical, accurate measurement, easy to use for smaller feeding space. Refresh data every 5 seconds, monitor the feeding environment at any time. Suitable for all kinds of reptiles, such as: spiders, scorpions, horned frogs, lizards, chameleons, tortoises, snakes, etc. Temperature display acquiesces Celsius temperature. Specifications: Material: plastic Color: black Quantity: 5pcs Temperature measurement range: -50~60 When the measured temperature is lower than -50, it shows L O When the measured temperature is higher than 60, it shows H I Temperature measurement accuracy: 1.0 Temperature sampling period: 2 seconds Humidity measurement range: 10%-99% Humidity display resolution: 1% Humidity measurement accuracy: 5% (at room temperature 25) Display mode: LCD display (three and a half) Power consumption: 5 mW under working condition Battery: 2 * LR44 button battery, 1.5V (not included) Item size: 47 * 27 * 13mm / 1.9 * 1.1 * 0.5in Package size: 100 * 80 * 60mm / 3.9 * 3.1 * 2.4in Package weight: 92g / 3.2ounce Package List: 5 * Thermometer Hygrometer 1 * User Manual