Specially-designed for aquatic reptile viquariums, this compact, submersible 100W heater features a protective cover to keep your pets safe while maintaining an optimum 78°F temperature and an extra-long eight-foot cord that easily adapts to any direction, allowing a more custom fit to your viquarium. Protective plastic cage to prevent breakage Automatic thermostat maintains water temperature at 78°F Plastic cage has openings so that the 8 foot cord can adapt to any direction Two oversized suction cups provide maximum hold to prevent movement by active reptiles Appropriate for up to 30 gallons of water