bellbox strobe sounder

I've seen lots of alarms that have gone off and the strobe light was flashing on the bell box. During the day, it's usually very hard to see the strobe and my concern is that the deterrent effect is poor if no one can see it. Has anyone given any thought as to souping up the strobe? I...

Just replaced the control unit from an ancient alarm installation, keeping the existing wiring because it would be a b***er to replace. The external bell is wired up rather eccentrically, with a four-core cable of which red/black drives the siren and yellow/blue provides tamper indication via a...