The Progressive Dynamics 12 Volt Reading Lights are perfect for closeup reading or other work requiring excellent illumination. Each light features a full 75°and 300° rotation that puts the light where you need it most. Great for creating dramatic lighting accents. Full bulb sockets assure positive electrical contact. metal reflector intensifies light and dissipates heat. Swivel Out Dimensions: 5" L x 3.25" W x 4" H. Tilted Out Dimensions: 5" L x 3.375" W x 5.375" H.