... password lock Control panels circuit boardElectronic, didgital, keypin, card swipe, biometric, locks for safes ,high quelity ... ,zhejiang ,chinaCompany: ningbo deya electronicElectronic, didgital, keypin, card swipe, biometric,optics fingerprint readers/sensorDeya series of stand ... 2: In the uncertainty case, the module can send a Free instructions for communication handshake, received response packet, ...