Guanruixin Digital Display Resistance Decade Box--1-2Watt-

Electrical Characteristics Range Of Normal Resistance? 1?~9,999,999?. Resistance Tolerance? ±1% Typ. Rating Power? 100mA@50V DC,70?. Contact Resistance? 200m? max. Insulation Resistance? 100M? min. 500V DC. Operating Life? 30,000 operations(steps)minimum. Environmental Characteristics Operating Temp? -10°C to +65°C (14°F to +149°F). Storage Temp? -20°C to +80°C (-4°F to +176°F). Packing Specifications Product Size? 100×100×72mm / 3.94×3.94×2.83inch. Product Weight? 138g / 0.3lb / 4.87oz. Package Size? 122×105×100mm / 4.8×4.13×3.94inch. Package Weight? 220g / 0.49lb / 7.76oz.