Built-in probe, compact and lightweight, beautiful and practical, accurate measurement, easy to use for small space power supply. Suitable for all types of reptiles, such as: spiders, scorpions, frogs, horned lizards, chameleons, turtles, snakes, etc. Features: Built-in probe, compact and lightweight, beautiful and practical, accurate measurement, easy to use for small space power supply. Refresh data every 5 seconds, monitor power environment at any time. Suitable for all types of reptiles, such as: spiders, scorpions, frogs, horned lizards, chameleons, turtles, snakes, etc. Temperature display Celsius temperature nods. Features: Material: plastic Color: black Quantity: 5pcs Temperature measuring 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 measuring range: 10% -99% Humidity display resolution: 1% humidity measurement accuracy: 5% (at room temperature 25) Display mode: liquid crystal display (three and a half) Consumption: 5mW in 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 / 3.2oz Package List: 5 * Hygrometer Thermometer 1 * User Manual