**500W Digital Submersible Aquarium Heater with Thermostat & Protective Cover - Quartz Glass Fish Tank Heater for Freshwater & Saltwater Tanks (US Plug) - Ideal for Home, Office & Aquarium Enthusiasts**

Specification: Item Type: Aquarium Heater Material: Plastic, Quartz Glass Use: Aquarium Fish Tank Water Heating Suitable for Water Volume: Below 300L Suitable for Fish Tank Size: 100cm/39.4in or Less Package List: 1 x Aquarium Heater 2 x Suction Cup 1 x Instruction Book Note: 1. When leaving the water, the LED screen will display L1 and stop working with a flashing reminder 2. When the heating rod is in working condition, the red light is on, and when the heating stops, the blue light is on

LED DISPLAY CONTROLLER: Submersible aquarium heater monitors the status of the fish tank in real time. The controller is not waterproof, please keep it away from water.

PREMIUM MATERIAL: Digital submersible heater uses thickened quartz tube and plastic shell, heating faster, explosion proof and more stable, can well preserve the quartz tube to prevent fish burns.

STABLE POWER SAVING: Aquarium heater uses high quality nickel heating wire, stable and power saving, durable and not affected by magnetism.

ENERGY SAVING: When the aquarium heater starts working, the machine instantly heats up with high power until it approaches the set temperature and starts thermostatting with low power.

SMART SENSOR: Fish tank heating rod has a built in smart sensor that will shut off if water is not detected, which preserves fish. 20‑34℃ circulating temperature control, convenient and fast.