The product in the image is a Top Fin H100 Aquarium Heater, designed for aquariums up to 30 gallons. Key features and specifications include:

Wattage: 100 watts

Tank Size Compatibility: Ideal for aquariums up to 30 gallons

Design: Double-layer construction for even heat distribution

Material: Shatter-resistant quartz glass

Safety Features: Auto shut-off

Installation: Submersible

Dimensions: 10.6 inches (26.9 cm)