GERUI Pack of 2 USB Aquarium Heater 10 W Mini Heating Rod with Thermostat, Thermostat Turtle for Small Aquariums Salt Water and Freshwater

【High Quality Material】: This aquarium heater rod has undergone strict quality control and is made of high temperature resistant materials to ensure safety and reliability. The automatic constant temperature design and safety performance of the aquarium heater ensure a comfortable and stable living environment for your aquarium animals. 【Improved aquarium comfort】: our aquarium heater rod uses innovative fixed point constant temperature technology with built-in intelligent control to maintain a constant temperature of 26°C. Make sure your aquatic animals are healthy and comfortable without the need for manual adjustments. Suitable for aquariums up to 25 litres. 【USB design】: Adopt the USB power supply plug design, which is equipped with a 130 cm power cable, a mobile phone charging power supply or a mobile power supply can be connected and used. (It is recommended to use a fast charging plug with an output voltage of DC 5V 2A), very convenient. The black gold sand material of this aquarium heating rod ensures reliable and evenly heated water, making the environment of your home fish safer and more stable. In addition, the energy-saving function and advanced heat conduction ensure a long service life without risk of explosion. Widely used: wide range of applications, suitable for desktop mini aquariums, miniature aquariums, turtle aquariums, tropical, betta fish and other small freshwater and saltwater aquariums for heating, extremely low water level, the water level can be as low as 3.0 cm.