home security alarm work with pir,door sensor,remotes,smoke alarm,gas alarm and others SC-2003E)1. ... PIR detector: when it detect out that someone in the arming place, it will alarm.3. Emergency alarm ... key on the remote to realize emergent alarm.4. Alarm with Strong Volume: when alarming, the ... DB.Technique parameters:Host Current standby: <35mA, alarm: <150mA.Magnetic Switch's radio frequency: 310MHz ...