Compact heater with automatic temperature control designed for small aquariums and desktop tanks. Reliable, lowvoltage operation keeps tropical fish and turtles comfortable while protecting equipment and aquatic life. Key benefits Precise, automatic temperature control: maintains a consistent water temperature so fish and turtles stay healthy without constant monitoring. Low overheating risk: operates at a 5V lowvoltage standard and runs within safe water grades to reduce stress on the unit and lower the chance of overheating. Durable, scratchresistant housing: aluminum alloy exterior protects internal components and preserves appearance through daily use. Stable heat output for varied tanks: thermostatdriven performance delivers steady warmth suitable for freshwater, wellmaintained setups, and saltwater tanks. What makes it stand out Mini, spacesaving design fits small and desktop aquariums where a fullsize heater would be intrusive. Built for longevity: safe operating range and robust construction extend product life and reduce maintenance concerns. Consistent performance day and night to support constant habitat conditions for sensitive species. Functions and compatibility Automatic temperature regulation for tropical fish and turtles. Intended for smallvolume tanks and desktop aquariums where compact size and reliable control matter. Compatible with both freshwater and saltwater environments when installed according to tank requirements. Practical use scenarios Desktop office aquarium: keeps a small tropical fish tank at a stable temperature without taking up much space or requiring frequent adjustments. Small home terrarium with an aquatic section: maintains warm water for pet turtles in a compact setup while minimizing overheating risk. Nano reef or small saltwater tank: provides steady heat output and thermostat control to support delicate marine organisms in confined systems. Simple performance overview Compact form factor for confined aquatic environments Auto temperature control with precise thermostat behavior 5V lowvoltage safety to reduce electrical risk during routine aquarium care Aluminum alloy housing for scratch resistance and internal protection Suitable for owners who need a dependable, lowprofile heater that balances safety, durability, and steady temperature control for small aquariums and desktop setups.