hygger ECO Precise 50W Aquarium Heater Submersible

• Built-In Safety Protection System: Automatically shuts off when out of water or overheating, with audible alarms that prompt you to check tank conditions and heater status before issues become serious
• Intelligent Dual-Probe Control System: Two independent sensors provide real-time temperature monitoring for stable, consistent heating. Choose PRECISE Mode for tighter control (ideal for sensitive fish) or ECO Mode to save energy. Memory function restores settings after power outages
• Precise Temperature Control, accurate to 0.1°F, with a setting range from 59°F to 93°F, adjustable in 0.5°F increments. It's ideal for sensitive aquatic species such as betta, guppy, discus, shrimp, and turtle to maintain a stable environment
• Convenient External Controller: Easily adjust settings without putting your hands in the water. A built-in child lock helps prevent accidental changes, making operation safer and more convenient
• Shell-Free Quartz Design: Built with a smooth quartz glass heating tube and no protective shell, creating a cleaner, fish-friendly profile. The compact 5.9" design fits discreetly in 5–10 gallon freshwater or saltwater aquariums

Shipping policy·Returns policy.Questions about delivery or returns? Email info@petstates.com and a real person will help.