Feature:1. EFFICIENT HEATING: The adjustable fish tank heater provides constant and adjustable temperature to keep the water temperature in the fish tank stable.2. SAFE AND RELIABLE: The Chinese standard plug is suitable for voltage with 300W power, which meets the safety standard and can heat effectively.3. USER FRIENDLY: Fish tank water heater adopts simple and easy to use design, plug and play, save time and labor.4. WIDE APPLICATION: Small submersible aquarium heater is suitable for all sizes of fish tanks and aquariums.5. ENERGY SAVING AND ECO FRIENDLY: Intelligent temperature control function reduces energy consumption, providing you with a practical and eco friendly heating solution.Specification:Item Type: Aquarium HeaterMaterial: GlassPower: 300WHz: 50-60HzTemperature Control: 22-34°CApplicable Fish Tank Length: Approx. 80-100cm/31.5-39.4in.Package List:1 x Aquarium Heating Rod2 x Heating Rod Suction Cup Note:Dear customer, please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard for ensuring its normal use.