HIOKI Analog Megohm Insulation Resistance Ground Resistance Simple Made in JIS 3 500V IR4082-11 Hi-Tester, Meter, Measurement, Two-Pole Method, Japan,

Width x Depth x Height: 152 x 40 x 92 mm Power supply: 4 AA alkaline batteries (included) 15 hours of continuous use JIS C1302-2002 Switch-equipped lead set (9788-01) (included) Tip length: 35 mm