Battery type 1,5V Alkaline AAAA type (LR8D425 (IEC)/25A (ANSI/NEDA))Number of batteries 2Battery operation time ~18 months (might vary in different co..
Specifications:•Fits standard 14mm hole from mechanical door viewer•Door thickness 40-70mm•3.5" LCD screen•4 pcs. AA batteries•Viewing angle 105 degre..
Specifications:•Type: rim lock•Door thickness: 10 to 12mm•Door Gap: 2.5 to 5mm•4x AA batteries•Automatic lock mode•Suitable for left or right openingF..