Note: The standard of shipping is white. If you want to be black please leave a message in the order thank you.Features:Identification methods include Face/ Fingerprint/ PasswordElegant ergonomic design with keypad2.8" TFT color screen is user-friendly and very intuitive6 user-defined function keysOptional extendable scheduled-bellInfra-red optical system enables user-identification in pooy lit environmentsTCP/IP USBU disk to download the time attendance report directly.Specifications:Language: English(standard)Fingerprint Sensor:ZK opticalCamera:High Resolution Infrared CameraDisplay:2.8" TFT color screenFace capacity:400(1:N)Fingerprint capacity:2000Card capacity:1000(optional)Logs capacity:200000Algorithm Version:ZK Face 7.0 & ZK Finger 10.0Software:ZKTime5.0Communication:TCP/IPUSBU-diskTime attendance Standard functions:FacefingerprintpasswordAutomatic Status Switch Self-Service Query T9 input DLSTPower supply:5V2AVerification Speed:1 secOperating tempreture:1-45Operating Humidity:20%-80%Dimension(W*H*D):162*153*30 mm Model Number:BK100 Origin:Mainland China Smart home platform:NONE Face capacity:400(1:N) Fingerprint capacity:2000 Card capacity:1000 Power supply:5V2A