This bulb replaces the tiny screw-in bulb in your Windex light.
Installing it will be the last time you have to go up the mast to replace a Windex light bulb.

Use in place of Davis R3201 incandescent bulb in the Windex 3200 Light

Long service life, shockproof, ultra-rugged with no filament to burn out or break
High-quality US designed SMD (Surface Mount Diode) LED bulbs
Internal circuitry provides for constant energy consumption, regardless of voltage fluctuations from the source
10 to 18V DC, meaning no flickering and longer LED life
Very low power consumption (approximately 1 to 2 watts)
Zero RF (Radio Frequency) emissions, surface mount device design
Dimensions: 0.4" diameter