AQUATOP PPAQ200HT 200-Watt Aquarium Heater: * Voltage: 120v/60Hz * Double sealed material ensuring safe operation * Temperatures adjustable between 20-34C/65-93F * Fully submersible * Shatterproof design * Length: 29cm/11.4in * Equipped with a powerful motor * Helps create a thriving environment for your fish, coral and aquatic plants * Features an extra-thick insulation * Helps prevent heat loss from the tank * Includes a digital gauge that accurately displays the temperature inside the tank * Maintains ideal temperatures in fresh or saltwater aquariums containing 40 to 120 gallons