Logo for Henry's Door Locks & Door Hardware, featuring a stylized red door handle and lock icon.
Product display of A2 Soul smart lock with features listed, including RF fingerprint, app control, privacy mode, steel lock, and various authentication options, shown mounted on a wooden door.
Advertisement for A2 Gemini X20 smart digital door lock with features such as face scan, palm vein unlock, fingerprint, PIN code, card, NFC, mechanical key, mobile app, and built-in WiFi, showing the lock in copper finish on a door.
A medical professional in green scrubs and a face mask showing a thumbs-up gesture, with a blurred background of medical equipment and a computer screen.
A digital advertisement for a face recognition smart lock showcasing its features, specifications, and usage images, including a woman unlocking a door with her face.
Product information sheet for A2 VISO+ smart lock, showing images of the lock design in matte black and champagne gold, features like face unlock, palm vein unlock, video door phone, fully automatic lock, and specifications including dimensions, capacity, display, and battery details.
Product advertisement for A2 Gemini X30 smart door lock, showing features like face and palm vein unlock, video door phone, electronic and mechanical keys, with a photo of the lock on a wooden door alongside images of the lock's features and specifications. 
A2 Viso+ Smart Lock
A medical professional in green scrubs and a face mask showing a thumbs-up gesture, with a blurred background of medical equipment and a computer screen. 
A2 Gemini X30 
Smart Lock
A large, gray download button with the word 'DOWNLOAD' in black text at the bottom.
A medical professional in green scrubs and a face mask showing a thumbs-up gesture, with a blurred background of medical equipment and a computer screen.

A2 Gemini X20
Smart Lock

A2 Soul Smart Lock
A grayscale illustration of a large download button with the word 'DOWNLOAD' in bold uppercase letters at the bottom.
A white smartphone lying on a wooden surface, displaying a list of notes app on the screen 
Zenith i8 Face Recognition 
Smart Lock
Smart lock and video doorbell system with technical specifications and app integration for face recognition and Wi-Fi connectivity. 
Zenith i6 Face Recognition 
Smart Lock