EXTRWORY Fish Tank Heater 8.5cm for MINI Aquarium Heater 26°C Automatic Constant Temperature USB Powered 10W for Small Tanks

• [COMPACT DESIGN] The 5cm length and 18mm diameter make this heater perfect for desktop fish tanks, saving space while providing efficient heating.
• [INTELLIGENT TEMPERATURE CONTROL] Equipped with a built-in smart chip that maintains a constant temperature of 26°C, guarantee optimal conditions for your aquatic pets without manual adjustments.
• [AUTOMATIC DRY BURN PROTECTION] Features an intelligent thermal sensor that prevents dry burning when the heater is out of water, guarantee safety and peace of mind.
• [FAST HEAT CONVERSION] Filled with black gold sand to enhance heat gathering and energy conversion, allowing for rapid heating while saving energy.
• [USB POWERED CONVENIENCE] Designed with a USB interface, it can be connected to power banks or mobile phone chargers, offering flexibility and safety in operation.

Features: * 8.5cm in length, 18mm in diameter, does not take up space, suitable for small desktop fish tanks. * Made of high-quality quartz glass material, you can use it with confidence. * Built-in intelligent chip controls 26 degrees for celsius constant temperature, no need to adjust * Built-in intelligent thermal sensor component automatically protects from dry burning when out of water * Filled with black gold sand to gather heat and heat up, heat energy conversion, fast energy gathering and more saving * Adopting USB interface design, it can be connected to a power bank or mobile phone power supply head for power supply, giving you convenience and safety. Specifications: * Product name: Fish tank heater * Material: Quartz + Metal * Color: As shown in the picture * Size: 18*85mm * Wire length: about 130cm * Temperature control range: 26℃ automatic constant temperature * Power: 10W * Voltage: DC5V * Applicable water volume: less than 25 liters Package Contents: 1 x Fish tank heater