Fingerprint Capacity:10000 Fingerprint Sensor:Optical Sensor Communication:TCP/IP USB Wifi Identification:Fingerprint+PIN (card optional) LCD:3.5"TFT LCD Screen Language:Multi-language Power:110/220VAC~12VDC,3A Special Features:Waterproof/Weatherproof Color:Black Size:21.3x17.8x4.8cm Material:Metal ..