Standard Thatcham 1 alarm, another alarm of a make I shan't mention with proximity, 4G pager function and anti-hijack wired in to specific circuits upon my instruction rather than the same-old-same-old circuits that alarm fitters use necause its easy, Disklok, perimeter alarm on the driveway connected to the NSI accreditation house alarm (it uses AI to tell the different between cats, foxrs and thieving shitbags, apparently).
And 2 dogs that growl at someone slamming a car door 5 towns away who have been taught to go bimbo with barking upon command. They'd probably run up to a Scumbag and demand a tummy tickle, but the noise is impressive.
Considering a bollard, but haven't so far on the basis they cant even enter my land without me knowing about it, but probably will soon because you cant do too much to make like difficult for lightfingered scum.
I've also figured out where to hide a body and how to avoid the local ANPR cameras on the way...