LED Pilot Light Indicator Panel Mount with Buzzer 12/24/220V AD16-22SM 16mm/22mm
Panel Mounting Holes: 16mm / 22mm. Brightness≥100cd/m2. Brightness: greater than or equal 75mcd. High brightness: greater than or equal 100mcd. Insulation resistance: ≥2MΩ. Sound decibel: about 60~70 decibels.