HITOP 25/50/100/200/300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cups

?? 100W aquarium heater, length 8.8-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums 15 to 30 Gallons.
?? Adjustable and easy to use: This aquarium heater, adjustable temperature range 68 ~ 93 ?F, after setting the temp you want, will on or shut off automatically when the water temperature changes, no extra adjustment is required.
?? Accurate Temperature Control: This fish tank heater built-in thermostat, will automatically keep the water at the set temperature within?2?F error. Comes with an sticker thermometer to detect water temp at any time.
?? Thickened Glass: 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes.
??Easier installation, you can install it with any angle by 2 powerful suction cups, just make sure it is under water fully. Besides, we provide 1 more extra suction cup for spare (total 3 PCS), and we provide 12 months warranty.