... Install hole: 16mm Professional manufacturer OEM, ODM available 16mm mounting size LED indicator light (indicator lamp)1. Model: AD116-16D Indicator ... brightness LED lightingUltrashort type, small volumeFast and easy to installMounting size:Φ16Color: R-red, Y-yellow, B-blue, G-green, ... voltage:2.5kVInsulation resistance:≥50MΩ22MM type: 16mm mounting size LED indicator light (indicator lamp)