Hygger Mini Glass Aquarium Heater 50W 100W Adjustable LED Digital Temperature Display Small Tank Heater for Turtle Betta Fish Bowl with Protective GuardRun Dry ProtectionThis egg shaped small aquarium heater automatically shut itself off once it remove from water which ensures the safety of your pet, especially turtle and frog Protective GuardMade of high quality quartz glass, waterproof double seal material, covered with protective case, shatter resistant construction, this fish tank heater keep your fish from scalding and punching Easy to Read LED DisplayExternal temperature setting control avoids