The Volt Stick 110 is an instrument that can simply and quickly test for the presence of an AC voltage, without the need for direct contact. * Voltage range 90V to 400V AC * Powerful red light in tip to indicate voltage * Fully insulated * Approved to IEC61010-1, CATIII 1000V AC * Powered by 2x AAA cells (supplied) (for replacement batteries see Batteries section)