[Explosion Proof]: 2mm thickened quartz glass, 33% thicker than normal aquarium heaters, much safer for both human and animals.
[Over-Heat Protection]: After set the temp you want, automatic switch device and temperature detection system, water heater will turn off automatically when its temp reaches your pre-set, also will turn on when lower than your set, relieved and simple operation.
[Accurate Temperature Control]: Adjustable heater from 61°F to 90°F (16°C – 32°C). A good temperature range for most fishes is 76°F to 80°F (25- 27°C). An additional stick-on thermometer as a bonus to detect water temp at any time.
[Dimension]: 50W adopt 8-slot multi-branched heating wire ceramic frame, better heat dissipation, Suitable for 5-15 gallant fish tank ，7.8 x 1 x 1 inch, saving more space for your fish.
[Accessories and Warranty]: An extra stick-on thermometer, and an extra suction cup providing for spare. Offer 12 months warranty and quick after-sales reply within 1-8 hours to answer your doubts or serve you.