500W Aquarium PTC Heater with External Temperature Controller,Digital Heater for Fish Tank and Turtle Tank 250-450L, Submersible Fish Tank Heater with Anti-burning and Overheat Protection

• 【500W Aquarium Heater with Dual LED Digitale Display】Aquarium heater with dual digital display windows, you can clearly see the water temp and set temp at the same time even in the dark. It is convenience to observe the temp change, higher security. Ours' external temp controller does not need to take out the heater when adjust the temperature,it allows you adjust temp outside the fish tank, safer and convenient than other fish tank heater.
• 【Ceramics PTC Heating material】PTC means positive temperature coefficient, as a heating material of aquarium heaters, has the advantages of high heating efficiency, long service life and safer. And it is anti-impact, so don't worry about breakage.
• 【Digital controller】This external temperature controller can display the set temperature and the current temperature of the water, which is easy to read. Press the external setting button to conveniently set the temperature. And the temperature display can be converted between ℃ and ℉.
• 【Smart Heating & Over-temperature Protection】The upgraded aquarium heater adopts energy-saving dual-core sensors and inverter heating, which is safer, more energy-saving and power-saving than traditional aquarium heaters. The temperature adjustment range is 15-34 °C with memory function. When the water temperature is lower than the set temperature, the heater will heat up automatically. When the water temperature exceeds 34°C, the heater will automatically switch off.
• 【Premium Exploson-Proof Quartz Glass】This fish tank heater is made of thick exploson-Proof quartz material, which is shatter-proof and blast-proof. The heater cover is compact designed with high temperature resistant material protective Cover , which will protect your loved fish from scalding.

Product description FISH TANK HEATER turtle tank heater Digital External Controller Indicator: Green means heating finished/Red means heating state Temperature Display: Can display the real-time temperature and set temperature of the fish tank Memory function：Automatically maintain the temperature setting before power failure ℉/ ℃ Switch / Adjustable range：15-34℃. 【Premium Exploson-Proof Quartz Glass】This fish tank heater is made of thick exploson-Proof quartz material, which is shatter-proof and blast-proof. The heater cover is compact designed with high temperature resistant material protective Cover , which will protect your loved fish from scalding. Directions OTHER