5,6,7 wire resistive	Capacitive	multi-touch Projected Capacitive	surface wave	Infra-red
Detection	pressure	finger touch	finger touch	detect "x, y"	detect "x, y"
Sensitivity	++	+++	+++	++	++
Precision	++	+++	+++	+	+
Multitouch	NO	NO	YES	NO	NO
Brightness	~ 80%	~ 90%	~ 90%	~ 100%	~ 100%
Calibration	stable	not stable	stable	very stable	very stable
Scratch	- -	- -	+++	+++	+++
Vandal proof option	NO	NO	NO	YES	YES
Screen size	< 22''	specific upon request	specific upon request	small size up to 15''	large size
Water proof	+++	+++	+++	+	+

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