Specification Brand : hygger BulletPoint1 : 【Small And Powerful】100W aquarium heater, length - 5.35 inch, is suitable for 10 to 20 gallons aquariums. Easy to use, red light on: heating, green light on: constant temp. Ideal uses for the marine saltwater and freshwater, fish tanks, turtle tanks, betta tanks, small ponds, and so much more. Please choose the right wattage aquarium heater according to our size chart BulletPoint2 : 【External Temperature Controller】Use an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Variable temperature settings range: 59-93℉. The controller shows 2 readings – the current temperature and the set temperature – very easy to switch by pressing the SET button and you save an extra thermometer for current temperature measuring BulletPoint3 : 【Out of Water Protection】Full consideration of safety. Intelligent temp sensing, This fish tank heater will stop heating when the heater out of water, the controller will flash" Er" fault code. When the heater is completely immersed in water, it will start working automatically BulletPoint4 : 【Overheating Protection, Power-off Memory Function】With the multiple protections. This aquarium heater will shut off automatically and the controller will flash "EE" fault code when the water temperature exceeds 93℉. Avoiding cooking fish due to high temperature. The last setting is stored in the thermostat. In case of a power cut, when the power recovers the heater will follow the last setting BulletPoint5 : 【Ultra Tough Construction】Crafted from durable thermal shatter-resistant quartz glass, this fish heater guarantees safety and reliability in heating your aquarium. The nickel-chromium heating wire materials has higher thermal energy efficiency, and then conducts heat through silicon carbide material, which effectively utilizes electrical energy to convert into thermal energy, with long service life and uniform heating. Color : Black ExternallyAssignedProductIdentifier : 6494550680937 ExternallyAssignedProductIdentifier1 : 0731851449365 ExternallyAssignedProductIdentifier2 : 731851449365 GpsrSafetyAttestation : 1 ItemName : hygger Submersible Aquarium Heater, 100W 150W 200W 300W Adjustable Fish Tahk Heater with Temperature Controller, LED Display, Small Aquarium Betta Heater for up to 20/26/40/48 Gallons ItemPackageDimensions_Height : 17.1958 centimeters ItemPackageDimensions_Length : 4.699 centimeters ItemPackageDimensions_Width : 9.8044 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : aquarium-heaters Manufacturer : hygger ModelName : DingMotuo ModelNumber : HG096-100W NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : DingMotuo ProductDescription : hygger Aquarium Heater HG096 ProductSiteLaunchDate : 2023-09-21T06:45:07.541Z Size : 100W SupplierDeclaredDgHzRegulation : not_applicable TargetAudienceKeyword : fish UnitCount : 1 UnspscCode : 10111300 Wattage : 100 watts