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7-inch LCD touch screen,2 Mega pixel wide-angle lens Built-in Mifare card reading module; Max.50,000 faces capacity , Max.50,000 cards; verification methods:Supporting fast temperature measurement and face/card recognition with fever screening Authentication distance: 0.3-2 m. Temperature range: 30-45℃, accuracy: ±0.5℃; Mask detection:Supporting face mask wearing alert and forced mask wearing alert without power supply.