Submersible Heater: Applicable for 5-20 gallon aquaculture and fresh, marine and tropical aquariums. Save your fish or plants from coldness to keep them vigorous. Fix it on the tank wall with 2 adjustable suction cups.
Adjustable Temperature: Controllable temperature range from 68 °F to 93 °F (20-34 °C). Simply rotate the knob to freely regulate the temperature with slight deviations of ±3 °F.
Strong Protection: Its indicator light turns red during working and automatically shuts off when reaching the set temp. Come with a protective cover which always keeps the fish out. No danger of overheating to your aquatics.
Shatterproof & Long-lasting: Made of 2 mm extra thick quartz glass, it can effectively prevent electric leakage. And the iron-chromium heating wires feature fast heating to warm your tank fitly.
Detect Temp Timely: With a built-in thermostat, it will automatically keep the water at the set temperature. The extra thermometer sticker allows you to detect water temp at any time.