WT531-2 2-Wire Heat Detector

WT631-4-24V 4-Wire Smoke Detector

WT631-4-12V 4-Wire Smoke Detector

WT631-2L 2-Wire Smoke Detector with Remote LED Output

WT631-2 2-Wire Smoke Detector

WT605-R DC Smoke Alarm

WT605-W Smart DC Stand-Alone Smoke Alarm

WT607 Stand-Alone DC Smoke Alarm with User-Replaceable Long-Life Battery

WT605 Stand-Alone DC Smoke Alarm With Long Life User-Replaceable Battery

WT606 Stand-Alone DC Smoke Alarm

WT501 DC Heat Detector With Long Life Battery

WT501-W Smart DC Heat Detector With User-Replaceable Battery