Gerui USB aquarium heating aquarium temperature controller with LED display with suction cups External temperature controller Aquarium heating element with built-in thermometer for salt water and fresh water (25W)

Key Benefits

• 🔌 USB Powered — Connects directly to USB chargers or mobile power supplies for convenient aquarium heating without traditional electrical outlets.
• 📏 Compact Size — Only 1.97 inches (5cm) long, designed for nano tanks and Betta tanks with minimal space requirements.
• 🌡️ Built-in Thermometer — Features an LED display and integrated temperature sensor with external controller for monitoring water temperature.
• ⚒️ 304 Stainless Steel — Constructed from high-quality stainless steel that is corrosion-resistant and durable in both saltwater and freshwater environments.
• 📌 Suction Cup Mount — Includes suction cups for secure attachment to tank walls, allowing for easy placement and concealment.
• 🔄 Automatic Temperature Control — Maintains constant water temperature automatically with 25W heating power.