About This

• Safety Beep Alarm: Designed with temperature probe fault, out-of-water fault, and overheat protection to remind you to check your fish tank, enhance the security of use and avoid potential risks
• Smart Heating System: Built-in 2 temp probes detect water temp in real-time. Once the target temperature is reached, the heaters enter standby and resume operation when the water temp drops. You can choose precise warmth or ECO mode according to different needs
• 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
• Slim Size & Save Space: This 100-watt heater is only 5.9" long (1.2" diameter), can be easily mounted in narrow sumps or corners. Explosion-proof tubular quartz glass heating element, no shell structure, no need to worry about fish getting trapped
• More Convenient & Safer: This external controller makes adjustments easy without getting your hands wet. It also has a child lock to prevent accidental touch and a memory function that does not need to be reset after power outage
• Compact 100W Aquarium Heater – Ideal for 10-20 gallon tanks. Its space-saving design hides easily, providing reliable heating for both freshwater and saltwater setups