The door lock is suitable for many places, and can be installed on the front door or bedroom, bathroom, outdoor door.Size 300 * 50 * 26 MM Static Load<; = 20μAWorking Load :<;= 200mAHumidity 10%-85%Working Temperature :-30 ~ +60 degreesMaterial Stainless Steel 304, Moisture-proof, Fire-proofSurface TreatmentStainless steel drawbench processing/Gold PVD CoatingMortise EU Standard MortiseOverride Mechanical Key2 PCS For Each Lock Power DC6V or 4PCS AA Alkaline Batteries.12 Months' DurationLow Battery WarningLower Than 4.8VDoor Thickness30mm abovePut a door lock in your room door so that you can avoid a lot of privacy.