Description
Dahua Emergency Break Glass Button (ASF921)
Emergency Break Glass Button
> Photoelectric control technology to prevent the mechanical failure
> Use fire retardant material, convenient installation
> Normally open/closed functions, flexible application
> 500000 times fatigue test and durability
> Access control project designated accessory products
> Use fire retardant material, convenient installation
> Normally open/closed functions, flexible application
> 500000 times fatigue test and durability
> Access control project designated accessory products