00:00 [INAUDIBLE] Basically, what we have used, we have used a activity sensor.
00:06 [INAUDIBLE] But it can also detect some other gases like propane, butane.
00:13 And more we can-- it can detect also-- it can detect smoke also.
00:19 So we have-- [INAUDIBLE]
00:23 [INAUDIBLE]
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