Efficient and Even Heating: Filled with black gold sand, our heater conducts heat more evenly than other metals, ensuring optimal temperature distribution in your fish tank or other small containers. Safe and Durable: With an explosion-proof glass tube, our heater is designed to prevent any potential accidents. It is also built to last, saving you money on replacements. Convenient and Compact: Our heater is small and exquisite, taking up minimal space. It is perfect for desktop small fish tanks or other similar applications. Intelligent Temperature Control: Equipped with a smart chip, our heater features a 26-degree intelligent fixed-point constant temperature, eliminating the need for manual adjustments. Versatile and Easy to Use: Our heater is compatible with USB charging, allowing you to connect it to a power bank or other charging devices. It is suitable for a wide range of applications, making it a versatile choice. Description: Introducing our innovative and efficient heater for small fish tanks and more! This compact and exquisite device is designed to provide optimal heating performance while taking up minimal space. Filled with black gold sand, it conducts heat evenly, ensuring a consistent temperature throughout your tank. Safety is our top priority, which is why we have added an explosion-proof glass tube that guarantees a secure heating experience. With its durable construction, this heater is built to last. Plus, it saves electricity, making it an eco-friendly choice for your aquatic needs. Equipped with a smart chip management system, our heater features a 26-degree intelligent fixed-point constant temperature function. This means you don't have to worry about adjusting the temperature manually as the device accurately controls the heat output. Thanks to its fast heating capabilities, our heater quickly raises the temperature of your tank to create an ideal environment for your aquatic pets. Its compact shape makes it suitable for desktop small fish tanks and other similar setups. We understand the importance of durability in aquatic equipment, which is why our heater is designed with high temperature resistance and corrosion resistance. It also includes built-in intelligent thermal components that provide automatic protection against water and non-dry burning. Convenience is key, which is why our heater can be easily charged through USB. Item Name: Fish Tank Heater Material: Glass Characteristics: Heating Constant Temperature Power: 10W Power Supply: USB Power Cord Length: about 130cm Applicable Water Volume: Below 25 Litres Features: Efficient Durable Heating, with Smart Temperature Control, USB Charging Size Details: L: 8.5cm/3.35", W: 1.8cm/0.71" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Fish Tank Heater