Home / G11 - Security Cameras / Door Entry Devices / DE20-Qty-1. Black and silver pushbutton 4 ½”H x 2 ¾”W c/w red light and numbers light up 12 volt DC DE20-Qty-1. Black and silver pushbutton 4 ½”H x 2 ¾”W c/w red light and numbers light up 12 volt DC Description Description DE20- Qty-13 Black and silver pushbutton 4 ½”H x 2 ¾”W c/w red light and numbers light up 12 volt DC