hygger Small Aquarium Heater, 15W Submersible Betta Fish Tank Heater with Adjustable Temperature External Controller, Turtle Heater with LED Display for up to 2.5 Gallon Tanks

【Great For Small, Shallow Tank】Slim flat profile mini tank heater measures 4.6''x 2.7''x 0.9'', which is space saving and with two strong suction cups mount. It can be placed vertically or horizontally at gravel free aquarium bottom to heat up low water level turtle tank

【Built-in Temperature Sensor, with 1℉Accuracy】Upgraded chip, the temperature sensing is more sensitive, the temperature rise is more accurate, and the accuracy is 1°F. External temperature adjustment button, adjustable from 59-93°F. After the temperature setting is completed, the aquarium heater will automatically heat the water and then keep it constant without any more operations

【Overheating Protection, Out of Water Protection】Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level or when the water temperature exceeds 93℉. Error code: Er--Out of water, HH--Over heating. You are free from “cooking fish”!

【LED Temperature Display, Power-off Memory Function】Digital led temperature display shows the real-time temperature and set temperature on the screen. The indicator light glows red when heating and green when the appropriate temperature is reached, and display error code when the heater fails. The heater will remember the temperature setting, no need to reset the temperature after power off

【Ultra Tough Construction & 12-month Warranty】The heater is made of durable heat-resistant anti-shattering quartz glass and thick nickel tungsten wire, the high-quality plastic shell can effectively isolate part of the temperature and prevent scalding fish, and is easy to disassemble and clean. We are committed to providing high quality products and better services, and provide a 12-month warranty, please feel free to contact us.