The JBL ProTemp S100 is a professional aquarium heater with 100W power output designed for tanks between 50-160L. This safety heater features precise temperature control and automatic temperature control (ATC) technology for maintaining optimal water conditions. Key features: • 100W power output suitable for 50-160L aquariums • Built-in safety features with automatic temperature control • GS-certified for safety and reliability • Fully submersible design • Precise temperature regulation • 2+2 year warranty coverage • UK plug compatible The ProTemp S100 is equipped with advanced temperature regulation technology to maintain consistent water temperatures. The heater features a robust construction with shock-resistant glass and is fully submersible. The automatic temperature control (ATC) system helps prevent overheating and ensures stable conditions for aquatic life. This model comes with a UK-compatible plug and includes mounting brackets for secure installation.