200W Aquarium Heater: This fully submersible heater accurately and safely maintains the set temperature. Power: 200W, Dimensions: 230mm x 30mm. Safe & Durable: The heating rod is made of 2mm-thick quartz glass (33% thicker than a standard 1.5mm) and features dual-component watering. Double-sealed, explosion-, shatter, and IP68 water-resistant. Note: Turn the power 10 minutes before changing the water. Adjustable Temperature: Range from 20°C to 34°C (68°F to 93°F) with a clear temperature scale. Easily adjust using the dial on top. Precise Temperature Control: Equipped with a high-quality heating wire and internal thermostat. Maintains a constant water temperature within ±1°C. The "ON" clearly shows when the unit is working. Easy Installation: Can be installed in any corner with two strong suction cups. Must be fully submerged. Suitable for freshwater and saltwater aquariums up to 30 liters. Provides a safe and comfortable living environment for your fish. 200W Aquarium Heater: This fully submersible heater accurately and safely maintains the set temperature. Power: 200W, Dimensions: 230mm x 30mm. Safe & Durable: The heating rod is made of 2mm-thick quartz glass (33% thicker than a standard 1.5mm) and features dual-component watering. Double-sealed, explosion-, shatter, and IP68 water-resistant. Note: Turn the power 10 minutes before changing the water. Adjustable Temperature: Range from 20°C to 34°C (68°F to 93°F) with a clear temperature scale. Easily adjust using the dial on top. Precise Temperature Control: Equipped with a high-quality heating wire and internal thermostat. Maintains a constant water temperature within ±1°C. The "ON" clearly shows when the unit is working. Easy Installation: Can be installed in any corner with two strong suction cups. Must be fully submerged. Suitable for freshwater and saltwater aquariums up to 30 liters. Provides a safe and comfortable living environment for your fish.