Dahua DHI-ASF921 Emergency Break Glass Button.
 DHI-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
Why not give us a call on 0161 791 2351 or 0161 879 9191.
