Wireless Smoke detector (fire fighting product, fire alarm system) Wireless Smoke detector (fire fighting product, fire alarm system) 1.Working with VST-IS588W, VST-H588W, VST-C588HW and Control Panel VST-HS20082.Photoelectric Sensor For Slow Smoldering FiresI3.nsects Proof4.Test button5.Non-radioactive technology for environmental friendly6.High and stable sensitivity7.With quick fix mounting ...