hygger Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off, Fish Heater with Digital Controller for Freshwater and Saltwater (800W)

【Accurate External Digital Controller】Using an external LCD high-definition display digital controller, which can display the current water tempe. set tempe. and heating status. The separation design of the heater and the controller can greatly enhance the waterproofness of the aquarium heater. When setting the temperature No need to wet your hands either. Press and hold the setting button of the controller for 2-3S to switch between ℉ and ℃. Temp. adjustment range: 59-93°F. Accuracy: ±0.1°F.

【How to ensure safety? 】Our aquarium heater will provide Danger Warning through the water temp. sensing system. The external controller can display Error Codes and issue Alarm Prompts, Overheating-HH, Low temperature-LL, Dry burning-L1. Through the intelligent adjustment of the chip, the heater stops heating when the water tempe. exceeds 93 ℉, and automatically turns on the heating when it is lower than 59 ℉. Keep the fish safe. We also offer a 12-month free warranty on this product.

【Stable, fast and even heat dissipation】The hygger heater is heated by stable nickel-chromium electric heating wire,thickened quartz glass explosion-proof tube for heat conduction, and ABS plastic shell for protection,this making stably generate heat and quickly exchange heat with the water in the fish tank, so that the water temperature in the fish tank can reach the set temperature at a safe speed, and protect the fish from burns. Long-term use can greatly reduce electricity bills.

【Memory Function】 Don’t worry about power outages when you go on vacation. This fish tank heater will store the set temperature. When the power is restored after a power outage, the Fish heater will follow the settings and restart. This adjustable aquarium heater comes with three suction cups, a controller bracket and a hook, and the external power cord is 10ft long for easy installation.

【How to choose Fish Tank Heater】 Fish tank (length × height × width) ÷ 1000 × 2 is equal to the wattage of the fish heater that needs to be selected. This 800w adjustable aquarium heater is suitable for aquariums of 80 to 220 gallons. It can be used not only in home fish tanks, but also in fish markets, aquariums, fish ponds and other scenes where aquatic life is raised.