Product Overview: This Submersible Hygrometer Thermometer,.It Provides Accurate Readings, Ensuring A Healthy Environment For Aquatic Or Reptile Life Key Features: ‣ Measures Both Humidity And Temperature ‣ Waterproof Design For Submersible Use ‣ Clear Digital Display For Easy Monitoring Technical Specifications: ‣ Dimensions: 9 X 4 X 3 Cm, 50G ‣ Material: Abs Plastic With Waterproof Seal ‣ Control Type: One-Button Operation ‣ Performance: Measures Temperature With An Accuracy Of ±1°C, Humidity Accuracy Of ±5%, Noise-Free Operation, Energy-Efficient With Long Battery Life. ‣ Safety Features: Waterproof Rating Ip68 For Full Submersion