Keys, copied cards, and missed handoffs make doors harder to manage for families, rentals and offices. When guests or staff arrive at different times, delays and uncertain access records add stress. HOMCOM smart lock cylinder solves it with fingerprint, password, NFC card, APP and mechanical key entry.

Delivered to your doorstep. Overall Dimension: 4.2 x 4.2 x 16.0cm. Features 5 versatile unlocking options: semiconductor fingerprint, password, NFC card, Tuya/Smart Life APP, and mechanical key; High-accuracy fingerprint sensor enables quick access for family, tenants and staff; Tuya Smart Life app enables codes, records, and access management in about 10 m; Fits standard Euro profile lock doors. Compatible with uPVC, composite, wooden, and narrow-frame aluminium doors without replacing existing handles; Powered by batteries with a low-battery alert to remind you to replace them in time; Offers dual emergency entry options via emergency power or backup mechanical keys when the batteries run low; Strong build crafted with painted ADC12 aluminium alloy, ABS body and an electroplated copper cylinder; Includes complete installation accessories, size guides and video instructions for easy DIY replacement; Colour: Black (Exterior), Silver Tone(Inner); Material: Aluminium ADC12, ABS, Copper; Overall Dimensions: 4.2L x 4.2W x 16H cm; Suitable Door Thickness: 3.5–5 cm; Bluetooth Control Distance: Within 10 m; Power Supply: 3 x AAA Batteries (not included); Emergency Charging: only USB-A to USB-C supported, USB-C to USB-C cables are not supported; Reversible Handle: Left and right-hand doors; Custom Label: B82-015V00BK;