hygger Submersible Aquarium Heater 1200W Fish Tank Heater with Temperature Control & Auto Off Protection for 160-300 Gallons Saltwater and Freshwater

External Temperature Controller: This hanging controller of this fish tank heater has a large LCD digital screen, which can intuitively display the current water temperature and real-time power and preset the target temperature. You can easily adjust the temperature from 59℉ to 93℉ and have a red indicator to show its heating state. Low Water Alarm & Safety Feature: Our aquarium water heater built-in water sensor system that more efficiently detects water level(lower than water surface) at the top of the heating unit and responds by automatically shutting off and beeping an alarm to let you know the heater element in an abnormal state. The memory function will be restored to the temperature you set when the power comes back, without worrying about temperature shocks and no need to reset. Over-Temperature Protection: The 1200 watt aquarium heater has double sensing probe that can detects overheating. If the water temperature gets out of the measurable range will trigger the safety alarm function. The heater automatically shuts off the power and displays an 'HH' code alarm when temperatures exceed 95℉. As well as the temperatures below 59℉it will display an 'LL' code alarm and auto heating to the preset temperature. Intelligent Heating System: This submersible aquarium heater uses dual tube quartz glass material and high-temperature resistant nickel-chromium heating wire to provide more consistent and efficient heat up. The ABS guard shield adopts an irregular hollowed-out design, which helps with better diffuse heated water, and also prevents your aquatic pet from being burned. Product Parameters: Dimension:11.6''x 2.7''x 1.2'', Power:1200W suggest for 160 to 300gallon aquariums. Power Cord: 6.2 ft+3.9 ft. Votage: AC100-240V, Temperature control range: 59℉~93℉ (temperature deviation of 1℉). Come with two powerful suction cups that make the heater easily firmly hold to the side of the tank. Please place the heater element fully submersible at least 2 inches underwater, ensure the top of unit is facing upwards so that the probe senses the water level