
ZKTeco fingerprint reader Live 20R fingerprint USB reader, SLK20R ZK4500
ZK LIVE 20R / SLK20R Replacement ZK4500, ZK9500 Works with ZK SOFTWARE More Compact, read Live fingerprints · Fingerprint sensor: ZK Optical Sensor with strengthen film · Resolution: 500DPI/256 grayscale(8-bit) · Scan size: 15.24*20.32mm(FAP20) · Image size: 300*400 · Interface: USB1.1, compatible with USB1.0,1.1,2.0, RS232 · Registration speed: <0.5 sec · Registration angle: 360°C · Operating Temperature: -20°C - 50° C · Operating Humidity: 0-90% · Operating System: WINDOWS7/8/10/XP/VISTA(32/64BIT) linux(32/64bit)/android/IOS · USB cable length: 180 CM · Dimension (L*W*H):124.5mm*102mm*34mm · Power Supply: 5.0V +/- 0.25V ( USB interface power) · Current : Capture fingerprint: max 250 mA · Idle mode : max 25 mA · Suspend mode : <0.5 mA · Size:49*49*18mm(L*W*H) "