High brightness, Good stability, and a beautiful shape and painstakingly created. Products have been loved by many customers Type:AD16-16DS Signal lamps indicator light(pilot lamps) Φ16mm 1.voltage of working frequency:2.5KV 1min 2.insulated resistance:≥2mΩ 3.voltage wave allowed by AC indicator±20% 4.continual working life ≥30000H 5.brightness ≥ 100cd/m2 6.index of leakage CTI ≥100 7.protection grade is IP40,and it is possible to be made to up to IP67 8.using frequency:ac50 60hz