The housing is built of PC and ABS material, making it ideal for use indoors. 4.3 inch glass touch screen with a resolution of 480 × 272. 2-MP wide-angle dual-lens camera with IR illumination and DWDR. Supports mask detection. Verification Methods including face and password unlock. Recognizes faces 0.3 m to 1.5 m away (0.98 ft-4.92 ft), and detects persons between the height of 1.1 m and 2.0 m (3.61 ft-6.56 ft) when the camera is installed at 1.4 m (4.5 ft). Supports 2,000 users, 2,000 faces, 2,000 passwords, 50 administrators, and 300,000 records. Liveness detection has a face recognition accuracy rate of 99.9% and the 1:N comparison time is 0.2 s per person. Up to 128 periods and 128 holiday plans are configurable. Wi-Fi connection, auto registration, P2P registration, and DHCP. Supports customization of voice prompts. Online update and update through USB. Works while offline, and communicates with the management platform when connected to a network. Supports watchdog to protect the system from software and hardware failures. Supports SDK. Connects to SmartPSS Lite.