Plug & play Temperature measuring range: 30 °C to 45 °C (86 °F to 113 °F), accuracy: 0.1 ° C, deviation: ± 0.5 °C Recognition distance: 0.3 to 2 m Face mask detection Displays temperature measurement results on the authentication page 10.1-inch LCD touch screen,2 Mega pixel wide-angle lens 50,000 face capacity and 100,000 event capacity Face recognition duration ? 0.2 s/User Face recognition accuracy rate ? 99%