The SDS “Valid”TM Electronic Warning System is designed to deliver the additional evidence needed to prevent the break-in while reassuring you. Our “Valid”TM system achieves this by visually indicating to criminals that your building is protected by SDS plus reassuring you that all is OK before entering.
![Our Warning System](https://sdsgroupindia.com/wp-content/uploads/cache/images/2024/07/ourwarningsystem/1689230915.png)