MQ 135 Air Quality

If you are want to make a device that is used to detect Ammonia, Sulphide, and Benzene steam, a..

Rs180.00

MQ2 Gas and Smoke Sensor

This is a very easy to use low cost semiconductor Gas sensor Module with analog and digital output. ..

Rs180.00

SMOKING DETECTOR SENSOR ALARM SYSTEM

Features :    1.    Independent installation on ceilings and walls, with mountin..

Rs475.00