1.5 Accuracy Class 45-65Hz Frequency Tester Analog Panel Meter AC 100V Product Name : Frequency Panel Meter;Model : SQ-72;Power Supply : AC 100V Accuracy Class : 1.5;Display Range : 45-65Hz;Panel Size : 72 x 72mm/2.8" x 2.8"(L*W) Mounted Size : 65 x 65mm/2.6" x 2.6"(L*W);Total Height : 45mm/1.8" Casing Material : Plastic;Color : White, Black Net Weight : 130g;Package Content : 1 x Frequency Panel Meter