Tender For corrigendum : supply of f22 power supply extra make - essl ip based fingerprint rfid attendance access control system , erd 12v 2amp adopter -ad-20p input voltage - 150-240v 50- 60hz stabilized output low ripple low interference short circuit overload protection , f12 - fr1200 id make - essl finger based rs485 - exit slave reader , exit switch , 4x4 pvc junction box pvc square junction box 4x4 inches , emlock 600lbs electro magnetic door lock - 600 lbs , l bracket door holding bracket - l shape bracket for emlock , z bracket door holding bracket - z shape bracket for emlock , attendance software - desktop licence subscription -subject to yearly renewal report generating software valid for 12 months , installation commisioning of biometric security lock