DIGITAL DOOR LOCK SUPPLIER, MILRE MI-6450

MILRE MI-6450 Battery DC 6 VOLT  (AA.LR6 Alkaline battery 8ea / Minimum 4ea) Product Size
(WxHxD) Outer :  86.6mm(w) x 331mm(h) x 30mm(d)
Inner :  82mm(w) x 310mm(h) x 33.