Small miniature fish box for aquarium - 5V - USB electric heater - Constant temperature

Product Advantages: Compact and convenient, easy to use, space-saving, and easy to carry. Suitable for low-water environments. It is suitable for heating small aquariums, small turtle tanks, and small reservoirs. Please purchase the appropriate product based on the water volume.

Operating Status: Plugs in and heats, increasing the normal temperature by 1 to 4°C per hour, depending on the influence of water volume and ambient temperature. Low-light operating indicator: the light turns on below 25°C and begins heating; the light turns off above 25°C to stop heating.

Low Voltage Power Supply: Low-voltage USB safety power supply, 5V power adapter with USB plug, suitable for use with a power bank, comes with a 2m power cable.

Integrated automatic protection chip for a constant temperature: once the temperature exceeds 25°C, the electrical protection switches off automatically.