Aquarium Heating Rod, 100W Glass Fish Tank Submersible Heater with Temperature Control Range (EU Plug) Automatic Constant Temperature Design: This fish tank heating rod features an automatic constant temperature system, allowing temperature adjustment between 20°C–34°C (68°F–93°F), with a precision constant temperature range of approximately ±1°C. Sensitive Temperature Controller: Equipped with a sensitive temperature control system and overheating protection device, this aquarium heater ensures even and stable heating. Built with high-strength heating elements for reliable performance and extended service life. Durable and Corrosion Resistant: Constructed from high-quality shatter-resistant quartz glass, this heater is rustproof and corrosion resistant, making it suitable for both freshwater and saltwater aquariums. Secure Installation: Includes a strong suction cup for secure mounting, ensuring the heater remains firmly in place inside the tank during operation. Usage Guidelines: Designed for submersion up to a maximum depth of 120 cm. Intended for use in aquariums only. Product Specifications: - Condition: New - Item Type: Aquarium Heating Rod - Material: Glass - Color: As Shown in Pictures - Wattage: 100W - Temperature Control Range: 20°C – 34°C - Constant Temperature Accuracy: Approximately ±1°C - Length: Approx. 25 cm / 9.84 inches - Plug Type: EU Plug