Fingerprint Module, Barcode Scanner, Fingerprint Access Control manufacturer / supplier in China, offering Grow GM861s-LED White Fill Light Qr Code Bar Code Barcode Scanner Module, Grow GM810 Series DC5V 1d 2D USB Uart Barcode Scanner Module Reader, Ks220-L+R558 DC30-75V Fingerprint Control Board 2 Relays Admin/User Funtion Self-Locking/Jog/Ignition Mode and so on.