Klein Tools ET40 is an electronic AC/DC voltage tester. It features indicators for positive and negative DC polarity and tests DC voltages as low as 1.5 V. It tests AC voltages 12 to 240 VAC. Excellent for checking, verifying or troubleshooting common residential electrical wiring in electrical outlets, light fixtures, doorbells and more. It operates on 2 x AAA batteries.

Klein® AC/DC Voltage Tester, Electronic, 9 in Lead Length, Maximum Measurable Voltage: 240 VAC, >17 to 24 VDC, Maximum Working Voltage: 250 V, 70 to 100% Accuracy, Analog LED, (2) AAA 1.5 VDC Battery, 50/60 Hz, IP44, Plastic, 5.24 in L x 1.11 in W x 1.52 in H

• CAT III 250 V, Class 2, double insulation
• Ingress protection IP41 dust and water-resistant
• Low battery indicator with easily accessible battery compartment
• Pocket clip secures tester to pocket for reliable everyday carrying
• DC polarity indicators for DC positive, DC negative, and both illuminated for AC
• On/Off switch for power On/Off
• Bright LEDs illuminate to indicate the type and level of voltage detected
• Built to withstand a 9.8-Foot (3 m) drop

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