4.3-inch glass touch screen with 480 x 272 resolution. Two-megapixel wide-angle dual-lens camera with DWDR and infrared lighting. several unlocking techniques, such as password and face recognition. Additionally, you can mix and match them to make your own unique unlocking techniques. allows for mask detection. uses the DSS Pro Platform to support visitor QR codes. identifies faces between 0.3 and 1.5 meters away (0.98 to 4.92 feet). supports 300,000 records, 50 administrators, 2,000 users, 2,000 faces, and 2,000 passwords. The 1:N comparison time for liveness detection is 0.2 s per person, and the face recognition accuracy rate is 99.9%. Video calls are supported, and the app can be used to accomplish other tasks like remotely unlocking doors and receiving alarm notifications. allows voice prompts to be customized.