Access Control, RFID Reader, UHF Reader manufacturer / supplier in China, offering Metal Construction Input Voltage 110V - 240V Output Voltage 11 - 14 V Indoor Power Supply Suitable for Access Control and Electric Lock (S-12V-3AP), Fail Safe White Wire Door Contact for Door Access Control Security (SDC-38NC) Contact for Glass Door Open and Close, Fail Safe Aluminum Wire Alarm Magnetic Reed Normally Open/Close Switch (SDC-55) for Glass Door Open and Close and so on.