box shape 72mm*72mm AC 220V digital led ammeter indicator light lamp with ac ampere meter type : N-72A place of origin : Zhejiang Province,China(Mainland) brand name : NIN mounting diameter : 72mm*72mm input voltage : AC 220V voltage measuring range : AC 50-500V ampere measuring range : 3-120 A display resolution : 1A sample rate : about 1time/s input circuit power loss :
