100% Brand New and High-Quality Reptile Tank Thermometer Hygrometer: Precise supervision of the temperature and air humidity in terrariums, vivariums and reptile tanks.
Stylish Design: Stylish looking digital vivarum thermometer with hook and loop for easy to install to any reptile tanks or terrariums. Comes with a battery so you can use the thermometer immediately.
Fantastic Value: This accurate reptile thermometer and hygrometer allows you to monitor the temperature and humidity in the reptile tanks at all times to makesure your beloved reptiles are in perfect health.

Safe Material:Made of plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer.
Durable Clear Acrylic:Accurate, durable, and easy to read your marine aquarium’s salt level and specific gravity,Small and waterproof.if the specific gravity between 1.000 – 1.019,show that the specific gravity is small;if the specific gravity between 1.020 – 1.023,show that the specific gravity is nomal;if the specific gravity between 1.024 – 1.030,show that the specific gravity is big;
Clearly Safe Zone Indicated:Includes solinity and specific grovity scales.The outside rang of scale indicates salinity(PPT).The inside range of scale indicates gravity.And with safe zone clearly indicated.Range of use: 0-40 degrees (1.000-1.030).If the salinity ppt between 32 – 40，show that the salinity hydrometer is high;If the salinity ppt between 27 – 31，show that the salinity hydrometer is normal; If the salinity ppt between 0 – 26，show that the salinity hydrometer is light.