Precision Submersible Heater, 100/200/300W Aquarium Fish Tank Water Temperature-Control Automatic Water Thermostat Heater

100W / 200W / 300W Submersible Adjustable Aquarium Heater,Fish Tank Heater for 20-100 Gallon Fish TankSpecifications:Item Name: Aquarium Heating RodColor: As Picture ShownMaterial: ABS + Tempered GlassTemperature Range: 65°F and 89°FVoltage: 110-120V, 60HzPlug Specification: AmericanFunction: Automatic Constant TemperaturePower: 100W/200W/300WTips for Selecting and Using Aquarium Heaters:1. A minimum of 3-5 watts per gallon is recommended in keeping your aquarium at optimal temperature level. 2. The use of multiple heaters in larger aquariums can allow even heat distribution.3. The heater should always operate under water.4. Please cut off the power and wait for at least 10 minutes before changing water, touching the heater or taking the heater out of water.5. Please don't use in the water if the wire or glass tube is damaged.Package includes:1Pcs/2Pcs x Fish Tank Heating Rod1 x InstructionFeatures:

Safe and reliable in both fresh and salt water aquariums!Fully submersible heaters work in any position (horizontal or vertical) to provide optimum aquarium water temperature.Sensitive and reliable thermostat maintains uniform temperature.Temperature range between 65°F and 89°F.Shatterproof glass.Automatic shut off when the temperature is reached.