WL-228W/228D
Independent /Wireless Smoke detector
WL-958
Wired Gas Leak Sensor
WL-938W/938WL/938D/938DL
Independent/Wireless Gas Leak Detector
WL-938/938L
Wired/ Linkage Gas Leak Detector
WL-228G
GSM smoke detector
WL-968D
Independent CO Leak Sensor