Important parameters Product Type: attendance and access control one machine authentication methods: RF card, password, video camera processor: ARM9 hardware platform Camera: 1.3 million pixel high-definition color camera verification speed: radio frequency identification card <0.2 seconds voice features: Using voice reduction technology, high quality, ... access control function: Built-in single door access control query functions: time and attendance management software may view individual test ... through multimedia functions: advertising pages show, background music Display: 3.5 inches TFT high definition LCD main Parameter Product Type Time Attendance machine authentication RFID card, passwords, video camera processor ARM9 hardware platform capabilities of voice reduction function uses voice technology, with high-quality, high-definition voice prompts operation, can be read out attendance number of people access Built-in search function single door access controller attendance may view management software through personal attendance records, reports, keep track of their attendance status multimedia advertising pages show, background music other parameters Display 3.5-inch TFT LCD high-definition communication RJ45, TCP / IP, RS232, USB install wall-mounted power supply voltage DC 12V, 2A Dimensions 173 × 131 × 45mm Ambient temperature: 0-50 ℃ Humidity: 10% -90%