Overview This mini automatic constant-temperature aquarium heater is designed for small fish tanks, providing precise and stable water temperature control to ensure a healthy environment for fish. Its compact, energy-efficient, and safe design offers an ideal heating solution for compact aquatic setups. Product Details Crafted from durable, corrosion-resistant materials, this heater features intelligent constant-temperature technology to maintain consistent water conditions. Its small size allows for discreet placement without occupying tank space. With anti-dry burn protection and low power consumption, it delivers reliable, economical performance for long-term use. Key Features 1. Intelligent Constant-Temperature Heating – Automatically regulates water temperature to create a stable environment for fish. 2. Compact & Space-Saving Design – Small and easy to install, fits discreetly in various small aquariums. 3. Energy-Efficient Operation – Low power consumption enables quick heating while reducing energy costs. 4. Enhanced Safety Protection – Equipped with dry-burn protection; automatically shuts off if removed from water. 5. Durable & Corrosion-Resistant – Made from high-quality materials suitable for different water conditions. Specifications Material: Plastic Size: 18 × 85 mm / 0.71 × 3.34 inches Color: Black Notes 1. Manual measurement may have a slight error of 1–2 cm. 2. Slight color variations may occur due to differences in monitor displays. Package Includes 1 × Automatic Constant-Temperature Mini Aquarium Heater