VTM116-01 - Dahua - Flush Mount Back box for VTO3221E- VTO6221E

Material: ADC12

Dimensions (Front Box) : 138.0mm??240.0mm??35.0mm(5.43"??9.45"??1.38")

Dimensions (Back Box) : 120.8mm??222.7mm??33.0mm (4.76"??8.77"??1.30")

Wall Opening Dimensions: 120.8mm??222.7mm??33.0mm(4.76"??8.77"??1.30")