DES-700 & DC-500

DES-700 & DC-500
Door Entry System Alarm
Features
Retro-Reflection type.
Sensing range:0-6 meters(22 feet).
Will make “ding-dong” sound or siren sound when the beam is interrupted.
Speaker volume can be adjusted or turned.
When in siren mode, sounding time is adjustable from 3 to 30 seconds.