Thermo Rite Chalet Masonry Glass Door w45.375 5V AAA batteries and features Mesh Panel Dimensions:24" x 20" 5V AAA batteries and features an LCD display that uses a 5 button (MODE UP DOWN SET PROG) interface to communicate wirelessly to a receiver that operates on (4) AA batteries Front Side View Specifications Will Fit Widths Will Fit Heights Stock Sizes Width x Height CB3626CV1 32” to 35” 23” to 25 3 8” 36” x 26” CB3628CV1 32” to 35” 25” to 27 3 8” 36” x 28” CB3630CV1 32” to 35” 27” to 29 3 8” 36” x 30” CB3928CV1 35” to 38” 25” to 27 3 8” 39” x 28” CB3930CV1 35” to 38” 27” to 29 3 8” 39” x 30” CB3932CV1 35” to 38” 29” to 31 3 8” 39” x 32”