Programmable locks can be changed after they are put in service, allowing for combination or key changes without a locksmith and even allowing the owner to change to another access method (key or combination) to upgrade security. This type of lock are operated using a programmable plastic card and are typically smart.
Softboxes have an umbrella on the front. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
