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 1.5V. It tests AC voltages 12-240VAC. 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.

• Tests AC voltages from 12V to 240V AC at four useful levels aligned with commonly used residential voltages
• Tests DC voltages from 1.5V to greater than 17 to 24V at four useful levels aligned with commonly used DC voltages
• Bright LEDs illuminate to indicate the type and level of voltage detected
• Built to withstand a 9.9-Foot (3 m) drop
• Indicates polarity when measuring DC voltages
• Powers off automatically after approximately 2 minutes of non-use to conserve battery life
• CATIII 250V, Class 2, Double insulation
• Ingress protection IP41 dust and water resistant
• Built-in test lead holders on sides of tester
• Low battery indicator with easily accessible battery compartment
• Pocket clip secures tester to pocket for reliable everyday carrying
• Uses 2 x AAA batteries (included)
• Identifies and distinguishes between AC or DC voltage

• Application: Measures AC/DC voltage
• Special Features: DC Polarity Indicators for DC Positive, DC Negative, and Both Illuminated for AC. Tests Low DC Voltage to 1.5V. Built in Test Lead Holders on Sides of Tester.
• Material: Plastic Housing, PCB with Electronic Components
• Batteries: 2 x AAA
• Drop Protection: 9.9' (3.0 m)
• Display: Analog LED
• Control Type: ON/Off Switch for Power ON/OFF
• Voltage: AC Level Indicators: 12V, 24V 120V, 240V and DC Indicators:1.5V, 9V, 12V, >17-24V
• Frequency: 50/60 Hz
• Ingress Protection: IP41
• Pollution Degree: 2
• Tests Continuity: No
• Integral Lead Storage: Yes
• Interchangeable Leads: No
• Lead Length: 9'' (23 cm)
• Standard: CATIII 250V, CE
• Case Included: No
• Included: Tester, User Manual, and 2 x AAA Batteries
• Weight w/Batteries: 3.1 oz (90 g)
• Overall Length: 5.24'' (133.0 mm)
• Overall Height: 1.52'' (39.0 mm)
• Overall Width: 1.11'' (28.0 mm)
• Weight: 2.3 oz (66g)
• UPC: 092644691836

(1) Klein ET40 Electronic AC/DC Voltage Tester
(1) User Manual
(2) AAA Batteries