SOFOC T25 1157 Bulb BAY15D 12V 25W 500LM Warm White for Boat Cabin Deck Navigation Light RV Camper Ceiling Lamp 790420 2Pcs

• 500LM warm white light at 4300K creates cozy atmosphere for boat cabins and deck areas. Single high temperature filament delivers reliable brightness for evening cruises and overnight dock stays without harsh glare.
• Works on 12V AC or DC systems with non polarity BAY15D bayonet base. Perfect for marine vessels, sailboats, yachts, RVs, and campers. No orientation concerns. Install once and enjoy consistent illumination on the water.
• T25 tubular shape with offset pin base fits boat ceiling fixtures, deck lights, navigation station lamps, and RV interior sconces. Locking bayonet design withstands vibration from waves and engine rumble without loosening.
• Full aluminum base pulls heat away from filament instantly. Maintains full 500LM output even after hours of continuous use on overnight passages. No gradual dimming. No unexpected failures during night navigation.
• Weather resistant construction for marine environment. Resists moisture, humidity, and salt air. Perfect for cockpit lights, cabin dome fixtures, and courtesy lamps. No frequent bulb changes while living aboard or cruising.

Why BAY15D 1157 belongs on boats? The BAY15D 1157 base has two offset pins that lock securely into marine fixtures. Vibration from waves and engine rumble will not loosen it. The T25 tubular glass resists breakage from boat motion and dock bumps. Unlike many LED marine bulbs that flicker on 12V systems or fail from voltage spikes, this halogen bulb works perfectly with boat electrical systems. AC from shore power. DC from battery banks. Generator power at anchor. It handles all of them. 4300K warm white for on board comfort At 4300K, the light has a natural warm tone. Boat cabins feel cozy instead of clinical. Dining at the deck table looks inviting. Navigation charts stay readable without glare. The warm tint also preserves night vision better than cool blue LEDs. When you step from cabin to dark deck, your eyes adjust faster. Technical specifications Bulb shape: T25 (tubular) Base: BAY15D 1157 (15mm bayonet, two offset pins, double contact) Power: 25W Lumen: 500LM Color: 4300K warm white (non dimmable) Voltage: AC DC 12V non polarity Current: 2.01A Filament: Single high temperature Material: Aluminum base + T25 glass tube Outdoor rating: Weather resistant, moisture resistant Package Includes: 2 Bulb