1)      This flameproof enclosure consists of package of two & four keys in one unit.

2)      Its keys consist of capacitive touch screen type.

3)      These keys are placed behind the toughen glass of the enclosure& there is no need of physical contact to the keys. 

4)      If key pressed for four sec it will switch on & if same key pressed for one sec it will switch off.

5)      This instrument can use for lighting, remote on/off and other such application in hazardous environment application.