Working power: 4 x AAA 1.5V batteries (not include). Operating temperature: -20 to 55 Centigrade. Password function: support virtual password. Suit for the door thickness about 35-55mm. Use 4pcs AAA 1.5V Battery.Please use the not rechargeable Alkalin battery. (battery not include in the package). This lock suit for the door thickness 35-55mm door thickness. Please measure your old mortise lock size, and check our all options different mortise lock size which one suit for your door. That will more easy replacement. How to select the correct mortise lock size. We have over 24 different mortise lock size for choose, so please measure the old lock size follow this picture that you would know which size suit for your door. (once you select the correct size, you will very easy to replace the old lock).
You can open the lock / manage the lock (add user / delete user / set password and so on). It is helpfull for Hotel Management. Mortise lock x 1(options). This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Smart Doorbells & Locks\Smart Door Locks". The seller is "paswell_official_store" and is located in this country: CN.This item can be shipped worldwide.