Security Door Controls Security Door Controls 480-4SB JMAC# SDC-480-4SB 480-4SB. Surface mount box. 4-1/2 x 4-1/2 x 1 7/8 O.D UPC: 712905167541Also known as: SZ-4804SB, SDC-4804SB, 4804SB Technical Specifications: MSRP: Was: Now: $47.25 Add to Cart