Siterwell designs interconnected smoke and carbon monoxide alarms built to meet the performance expectations of modern homes ...

We put smoke alarms and heat alarms through rigorous tests in accordance with the British Standard to find the best and safest for your home. Smoke alarms need to sound quickly when they detect smoke ...

Abstract: In any industry visual inspection of finished product is the basic and most important step of quality control department. It is performed at the end when all the manufacturing steps are ...