auomii Mini Submersible Aquarium Heater, 50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LED Temperature Display, External Temperature Controller, Smart Memory, 100W (5-20Gallons)

Please use and follow the instructions strictly
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 2.7 x 2.9 x 1.2 inches; 9.59 Ounces
Date First Available ‏ : ‎ November 20, 2021
Manufacturer ‏ : ‎ auomii
ASIN ‏ : ‎ B09J19G85W

【Automatic constant temperature with 1℉ Accuracy】Temperature accuracy is up to 1℉ as advanced Intelligent Frequency Conversion Technology and dual temperature sensors. The heater’s working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. The temperature curve is almost a line
【3 Protections, Never Cook Your Fish】Overheating protection, Dry running protection, Out of water protection. Sturdy engineering plastic shield, scalding resistant and explosion resistant. Small holes in the case will protect your fish against scalding.
【Built-in Thermometer, Dual LED Display】Easy to read the temperature number as water temperature will be displayed on both the heater and external temperature controller in real time. No need to buy other aquarium thermometer.
【External Temperature Controller, Setting Memory】Easy to adjust the temperature as external termperature controller. Never wet your hands. The heater will remember the temperature setting, no need to reset the temperature after power off. 30 days full-refund and 12 months warranty.