Caffney 10W Mini Aquarium Heater Mini Fish Tank Heater with Digital Display Thermostat Temperature Adjustable 5V/2A USB Powered Super Mini Turtle Heater Safe Tank Heater for 1 to 5L Tanks

• 👍 [Mini Aquarium Heater] This small aquarium heater is only 5cm (1.97 inches) in length, takes up less space, and is easy to hide in the fish tank. The temperature range of the American Fahrenheit model is 64~93°F, and the temperature range of the English Celsius model is 18~34°C. Please purchase according to your needs.
• 👍 [USB Powered Tank Heater] This heater is powered by a 5V/2A USB power supply, which is very safe. No need to worry about the fish getting electrocuted. Please use a 5V/2A power adapter (not included) or a 5V/2A power bank (not included) to power the heater.
• 👍 [Overheating Protection and Power-off Memory Function] When the water temperature exceeds the maximum temperature range, the fish tank heater will stop working. The heater will remember the temperature setting, and in the event of a power outage, when the power is restored, the heater will follow the last setting.
• 👍 [Precise Temperature Display] Using smart inverter technology, this thermostat maintains the heater at a constant temperature through a built-in chip, which is more precise than knob control of the heater, and the display is easy to read the temperature.
• 👍 [Widely Used] This fish tank heater is very suitable for small fish tanks of 1~5L. Can be used in fresh and sea water, it can be used not only as an aquarium heater, but also for turtles, pet fountains and plant seedlings.

Parts List: 1 x Fish Tank Heater Product Specification: Name: Fish Tank Heater Material: ABS, heating element Size: The length of the heating rod is about 5cm, the length of the lead from the USB interface to the switch is about 30cm, and the length of the wire from the switch to the heating rod is about 100cm Power: 10W Style(optional): US Fahrenheit, English Celsius Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement.