8.5cm USB Fish Tank Heater with 26°C Automatic Constant Temperature for Small Aquariums Under 25 Liters

• [COMPACT SIZE] Measuring just 5cm in length and 18mm in diameter, this heater is perfect for small desktop fish tanks, it won't take up unnecessary space.
• [QUARTZ GLASS MATERIAL] Constructed from quartz glass, you can use this heater with confidence, it's designed to withstand the rigors of aquatic environments.
• [AUTOMATIC TEMPERATURE CONTROL] Equipped with an intelligent chip that maintains a constant temperature of 26 degrees for celsius, there's no need for manual adjustments, making it user-friendly.
• [SAFETY PROTECTION FEATURE] The built-in thermal sensor prevents dry burning when water levels are low, the safety of your aquatic pets.
• [USB POWER SUPPLY] Featuring a convenient USB interface, this heater can be easily connected to power banks or mobile phone chargers, providing flexibility and safety in usage.

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 for 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