Scope of application The independent photoelectric smoke fire detection and alarm device adopts photoelectric smoke sensors and excellent production ....
Scope of application The independent photoelectric smoke fire detection and alarm device adopts photoelectric smoke sensors and excellent production ....
Product Highlights - 3-in-1 Test Functions: This intelligent integrated tester combines smoke, heat and air blowing test functions in one, which can ....
Reliable Fire detection alarm 55*50*85MM with 15±1S warning time Product Description: The firefighter caller is an alarm device, with a net weight of ...