Material: Aluminum alloy Color: Black/ Silver/ Red Bronze Plate Size: L240 × W60mm Unlocking Ways: APP, Fingerprint, Password, Card, Key Power Supply: 4pcs AA alkaline batteries USB Back Up Power: Yes Mortise Options: Single latch/ 85 series/ 5050/ 72 series Apply Door Thinckness: 35~55mm Working Temperature: -25~60 degree Applicable For: Wooden or Metal door