VI-500BST 500KG Double Door EM Lock with Timer factory
Double Door magnetic lock is for glass door, wooden door, Fireproof door, Sliding Door and Metal door, VI-500BST inbuilt timer delay function. Can be used to different door types. The time delay mode can set up 0,3,6,9 sec, This item also with lock status signal output (NO.NC.COM), LED Indication.
