Aqueon Preset Fish Tank Heater 50 Watts, 3.5" X 1.5" X 7" Black

Aqueon Preset Fish Tank Heater 50 Watts, 3.5" X 1.5" X 7" Black   Safe, reliable and easy to use! The Aqueon Preset Heater has been pre-calibrated to an accurate 78° Fahrenheit (the most common temperature for aquarium fish) and require no manual adjustments; just plug and play! Appropriate for most tropical fish, these fully submersible heaters feature a shatter-resistant quartz glass body for added durability and peace of mind. A bright red LED light indicates whether the heater is active, and an automatic shut-off feature works to prevent overheating. The 50-watt model is ideal for both freshwater and saltwater aquariums up to 20 gallons in size.     FEATURES:   50W unit, ideal for aquariums up to 20G   Preset to 78°, accurate to +/- 1°   No adjustment required   Shatter resistant   Auto shut-off   LED light turns on when aquarium water is being heated   Ideal for aquariums up to 20 gallons     Dimensions   3.5" x 1.5" x 7"