T-H Marine LED Surface Mount Dome Light With Switch 4" 

Ideal for interior use in boats, RVs and other applications. Clear polycarbonate lens pattern is uniquely designed to distribute the illumination to a wide beam angle of no less than 120°. Super flux (P4) type LEDs, super bright, long life span up to 100,000 hours. UV stable white housing resists color fading. On/Off rocker switch on bezel. Circuit board is completely sealed in epoxy to resist water, corrosion and vibration. Hidden fasteners.

Dia.: 4", LEDs: 15 Cool White