Push Button Life Test- Buttons found to be working satisfactorily after subjecting it to 2 million operations. (Certified by OTIS) PCB of Button and Displays – Successfully passed Temperature Humidity, Heat Release and Salt Fog Test (Certified by ARAI labs) Complete COP / LOP – Passed resistance to storage condition. Exposed to Dry Heat for 1 month followed by Damp Heat for 1 month (Certified by ELCA labs) Passed Aesthetic Qualification which includes scratching, cleaning and hand contact tests (Certified by Bangalore Analytics Research Center)