Small Aquarium Heater 10W Smart With Digital Display Adjustable : Safety material: tank heater made of PP, not easy to damage, waterproof and durable to use Mini design suitable for 3L aquariums Aquarium heater: intelligent constant temperature aquarium heater The temperature can be adjusted from 18 degrees to 34 degrees Feature: High heating speed, waterproof and fully submersible design, heat resistant Adjustable: temperature control with external knob, convenient to adjust the temperature you need Application: Suitable for fish tanks, aquariums, turtle tanks, horned frogs, pet drinking tanks, etc Specification: Material: PP sizes: Length : 136cm/53.54inch Heater: 5cm x 2.5cm/1.97 by 0.98 inch contains: 1 aquarium heater Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.