About this item 🔒One Touch Fingerprint Access: Fingerprint unlocking, no longer worry about losing the key and forgetting the passcode The unique fingerprint algorithm logic is suitable for the elderly and children, suitable for families of multiple ages. 🔒300 User Codes: This keypad lock provides 300 access codes to meet the needs of home and business use. 🔒Durable and Power Saving: Zinc alloy and aluminum alloy material, 100,000 times laboratory unlocking durability test. Standard professional instruments test the temperature, "large temperature difference between hot and cold" still works, and "hot and cold" does not consume electricity. 🔒Multiple Functions Deadbolt：Code Protect - 4~10 code number length,enter random digits to confuse pying eyes.Silent mode - turn the sound on and off, visit mode - after this mode is turned on, it will not be locked and free to open the door. 🔒Smart custom unlocking and waterproof: 5-69 seconds custom setting to lock. Standard IP56 dustproof and waterproof structure design, suitable for use in North America.