welcome to my store , Hope you have a pleasant shopping trip! Features: 1.During heating, the heater must be 99.99% submerged in water. For your safety, please unplug the power change when cleaning the tank or aquarium. 2.IP68 waterproof, Applicable to water body 0.5-2L, the water level can be as low as 1CM, and the water temperature can be increased by 6℃-8℃，suitable for fresh water and sea water. 3.USB low-voltage mini heating rod, dedicated to small fish tanks, mini tanks, and turtle tanks, does not occupy the volume of fish tanks and turtle tanks. 4.Power: 5W, energy saving, low voltage 5V, safe and reliable. 5.Nickel ironing heating wire, fast heating speed, high efficiency, step heating, automatic constant temperature at 28 °C. Specifications Name: Fish Tank Mini Heating Rod Applicable: small and micro fish tank turtle tank Input voltage: AC100-240V 50/60Hz Output voltage: DC 5V Power: 5W Can increase water temperature: 6℃-8℃ Applicable water body: 0.5-2L Size: 8CMx1.5CMx1CM Package List: 1X USB 5W Aquarium Heater Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow 1-2cm slight dimension difference due to different manual measurement."

Intelligent Temperature Control: When the Water Temperature Is Lower Than the Set Temperature, the Fish Heater Will Automatically Start Heating Until the Water Temperature Reaches the Set Temperature; When the Water Temperature Reaches the Specified Temperature Value, the Heater Will Heating Stops Automatically. During Heating, the Heater Must Be 99.99% Submerged in Water. For Your Safety, Please Unplug the Power Change When Cleaning the Tank Or Aquarium. IP68 Waterproof, Applicable to Water Body 0.5-2L, the Water Level Can Be as Low as 1CM, and the Water Temperature Can Be Increased By 6℃-8℃，suitable For Fresh Water and Sea Water. Nickel Ironing Heating Wire, Fast Heating Speed, High Efficiency, Step Heating, Automatic Constant Temperature At 28 °C. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied.