Combo Masthead & Deck Navigation Light – High-quality 12V waterproof marine light for boats up to 12m. Durable plastic housing with dual bulbs: Festoon 12V10W for masthead and MR16 12V10W for deck illumination. Compact design (161.8 × 186mm) ensures easy installation while providing reliable all-round visibility. Ideal for safe navigation, low-maintenance, and long-lasting marine use.