Wind Speed & Direction combination roof-unit. Includes the Wind Speed generator, Wind Direction vane, 50' of cable for each, aluminum mounting mast for each, and stainless steel clamps to hold both masts together. Model #P306 is for the older 2/wire wind speed systems. Model #P315 is for the newer 3/wire wind speed systems.
(Optional L-shaped Mounting Bracket not included; it is sold separately - Part #P116)