BOEESPAT 300W Aquarium Heater, Submersible Fish Tank Heater for 30-60 Gallon Tank, with Adjustable LED Digital Temperature Controller, Memory & Overheat Protection Function

300w Aquarium Heater with Controller IP68 100% Waterproof, Fully Submersible Dual Protection – Durable Quartz Tube, Shatterproof construction; Double sealed material and protective container for scald preventing and anti punching Accurate temperature control from 68 to 94°F (20°C ~ 34°C) Easy to read LED digital display shows water temperature Ideal for used in freshwater and saltwater aquarium Warm Tips: Please read instruction and cautions of package box carefully before use. Always keep heater rod and temperature probe fully submersible. Before take out the heater, please disconnect power and wait for 10 MINUTES to cooling down. Specification: Voltage: 110V-120V, 60HZ 300 Watt, for 30~60 Gallon fish tank, heater rod length: 7.7 inches