Double Contact Bayonet BulbFeatures: Clear Type T-8 C-8 Filament - 1-3/8 inch L.C.L. Voltage: 120 Wattage: 30 Candella: 24 Weight: 1 oz. Wattage: The bulb has a power rating of 30 watts, indicating the amount of electrical energy it consumes and the level of brightness it produces. Base Type: The bulb features a double contact bayonet base. A bayonet base is a type of light bulb base that has two pins that fit into corresponding slots in the socket, allowing for easy installation and secure connection. Voltage: The bulb is designed to operate on a voltage of 120 volts (120V), which is a common voltage for household and marine electrical systems. Application: These types of bulbs are commonly used in marine and boating environments, typically for navigation lights, interior lighting, or other applications where reliable and durable lighting is required. Manufacturer: Perko is a well-known manufacturer of marine and boating hardware, including lighting solutions.