What is the difference between the two SLA-S-Y static grounding devices?

What is the difference between the two SLA-S-Y static grounding devices?

 

ATEX certificated one

China explosion-proof certificated one

Input power

85VAC to 250VAC 50Hz

220VAC or 24VDC

Alarm

Visible alarm

Audible and visible alarm

Is there a ground wire and status board

No

Yes