Klein Tools' ET270 is an auto-ranging digital multi-tester that measures AC/DC voltage, resistance, continuity, and performs a battery test. It also tests wiring conditions in standard 120VAC and GFCI electrical receptacles and inspects North American GFCI devices. Comes with Right-Angle Test Leads, Receptacle Test Cord, Instructions, and all required batteries.Features Built to withstand a 6.6-Foot (2 m) drop, this meter is designed to be durable and reliable even in demanding working environments Inspects GFCI devices, including time to trip the device Features include backlit display, data hold, default to auto-range with option for manual-range; max/min Detects and identifies common wiring faults in standard and GFCI electrical outlets Digital multimeter is auto-ranging and measures AC/DC voltage, resistance, audible continuity, and performs 9V and 1.5V battery tests Digital Multimeter comes with test leads, receptacle test cord, instructions, batteries, all in a convenient storage pouch Receptacle test is designed for use with North American 120V AC 3-wire electrical outlets Data Hold; Auto-Range with Option for Manual-Range; Min/Max Values; Backlight FIND mode indicates which breaker corresponds to a given receptacle Warnings Read, understand and follow all instructions, cautions and warnings attached to and /or packed with all test and measurement devices before each use. Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed. Before each use verify meter operation by measuring a known voltage or current. Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged. Voltage: 600V AC/DC Accuracy: 65 F to 83 F (18 C to 28 C) - +/- (% of Reading + LSD) Measurement Types: AC/DC Voltage, Resistance, Continuity, Battery Test (9V and 1.5V) -drop-resistance: 6.6 ft (2 m) Weight: 0.5650 lbs Overall Dimensions: 6.41 in L x 3.13 in W x 1.84 in H (16.3 cm x 7.9 cm x 4.5 cm) Frequency: 50 to 60 Hz Material: ABS and Electrical Components Standard: CAT III 600V, Class 2, Double Insulation Color: Orange/Black Country of Origin: China DownloadsSpec SheetVideo DownloadSafety Data SheetInstructionsET270-1390618ART - WEB.pdf