| Battery | DC 6 VOLT (AA.LR6 Alkaline battery 8ea / Minimum 4ea) | 
| Product Size (WxHxD) | Outer :  76mm(w) x 306mm(h) x 28mm(d) Inner : 71mm(w) x 298.6mm(h) x 30.7mm(d) Mortise Lock : 123mm(w) x 109.5mm(h) x 24.5mm(d) | 
| Product Material | Aluminium and zinc Alloy diecasting | 
| External Emergency Power | When the battery us completely discharged, use 9V battery to open the door | 
| Product Color | Dark Gray |