Details: Alarm Controls 30203 Surface Mount Back Box
Weather proof back box
Die cast zinc metal with light gray finish
Three 1/2" I.P.S. holes, two hole plugs included
For all single gang wall plates
Suitable for wet locations
O.D. 4-1/2" L × 2-3/4" W × 2" D
I.D. 4-5/16" L × 2-9/16" W × 1-7/8" D