• Large Vertical Manual Hand Crank Alarm Siren
SPECIFICATION

Product: LK-120 hand operated siren
Sound rating: 125±2dB(A) @1m
Output frequency: 600±20Hz
Material: Aluminium alloy
Application areas:An ideal alarm equipment used by civil defense.military,detention centers, prisons, mines, 
    airports, pastures,oil depots, warehouses, hotels, hotels and other enterprises inthe event of a critical situation.