Sperry 12 1000 V Voltage Detector 5 56 578 02 Material: Vinyl Coated 4 40 402 01 Material: Vinyl Coated Quickly customize the look of this fixture with magnetic frames in white and matte black The fully insulated probe tip eliminates the risk of contacting live electrical wires while the patented battery check feature designed into the unit ensures tester and batteries are operating properly Engineered to specifications required by professional electricians the Sperry Instruments VD6509 Adjustable Non Contact Voltage Detector allows for sensitivity adjustments in multiple wire applications when precision and safety are crucial