Product Specification: Model No.: MI-430SD Pat Name: TRIPLE Material: Front Cabinet AL Alloy Back Cabinet: AL Alloy Product Size: Front Cabinet68(W) x 174(H) x 20(D) Back Cabinet: 154(W) x 93(H) x 37(D) PowerDC6V: (Alkaline Battery 1.5V x 4) AA Size Battery Lifespan: Up to 8 ~ 12 months in case of 30times using per day. Standard export carton packing.