The HAIFUAN Bluetooth Digital Lock is a modern and secure door lock that is compatible with Alexa for added convenience. Made of aluminium and featuring a polished black finish, this unit includes 3 keys and all necessary fixings for easy installation. With app compatibility and universal mounting, this door lock is suitable for both commercial and residential use, providing a reliable and stylish addition to any home or business. With dimensions of 79mm (W) x 290mm (H) x 80.3mm (D), this sleek and functional door lock from Lock & Lock offers peace of mind and security for your property.