15W Low Energy CFL Dusk Till Dawn Sensor Security Night Light Bulb, BC B22 Lamp
Bayonet Cap (BC) [B22]. 15W Energy Saving CFL Power Saving 3U Stick Light Bulbs With Built-in Dusk to Dawn Sensor. (suitable for outdoor locations - requires sunlight to function). ALL NIGHT SECURITY LIGHT WITHOUT NEED TO SWITCH ON /OFF!