The Crabworx Liquid Crystal Thermometer is ideal for monitoring terrarium temperature levels, Hermit Crabs come from a warm, tropical climate, and it is important that you re-create that type of environment in your crab"s home, The Crabworx Liquid Crystal Thermometer is easy to install and most importantly, easy to read, The Crabworx Liquid Crystal Thermometer Features and Benefits:, - Easy to install and read, - Helps ensure the proper temperature for your hermit crabs home, - Perfect for all types of hermit crab homes, SKU: RCHG0252