BAYD Flameproof explosion-proof standard. Signal lights 
 Scope: 1 and Zone 2 dangerous places. 
 Ⅱ A, Ⅱ B, explosive atmosphere. 
 Features: aluminum alloy shell with plastic sprayed surface. 
 Free matching user signs 
 Electronic light-emitting plate, using the unique piezoelectric effect, almost no work in the normal power, emergency response time of 2 hours, and maintenance-free, reduced operating costs. 
 Built-in maintenance-free nickel-cadmium batteries, automatically charging the normal power supply, accident or emergency lights turn on automatically when power outage. 
 Pipe or cable wiring. 
 Meet GB3836-2000, IEC60079 standard request.