... /blue *good quality, OEM welcome DELIXI LED signal indicator lamp: Specification:AD22(LED)series of indicator is equally used LED shining chip as ... ,D,E,G,H,double color lamp,position indicator,shining buzzer and mini short indicator,as well as design shape of AD22 ... .(2)Insulated resistance≥2MΩ(3)Voltage wave allowed by AC indicator±20%(4)Continual working life≥30000h(5)Brightness≥60cd/m2 ...