D-Tech DH-VTM114

D-Tech DH-VTM114 Flush-Mount / Recess-Mount Back-Box / Junction-Box for D-Tech VTO2202 Intercom Outdoor Station Features :- Material: ADC12 Dimensions (Front) : 128.9mm × 162.9mm × 34.5mm (5.08″×6.42″×1.36″) Dimensions (rear) : 123.0mm × 157.0mm × 35.0mm (4.84″×6.18″×1.38″) Wall Opening Dimensions: ＞113.0mm × 149.0mm × 35.0mm (4.45″×5.87″×1.38″)，<123.0mm×157.0mm×35.0mm (4.84″×6.18″×1.38″)