Klein USA Digital AC/DC Voltage Tester ( ET40 ) Digital Precision-threaded feed screw for smooth

Precision-threaded feed screw for smooth

Auto power off 10 min after no use Operation sound Selection Low battery indicate <7V Operation environment 0~85%RH

It features a fine adjustment dial with 0

Convenient operation - The reverse switch is located next to the start button

and long-term electrical safety under frequent use

Klein USA Digital AC/DC Voltage Tester ( ET40 ) Digital Precision-threaded feed screw for smoothHIGHLIGHTS: The Klein Tools Digital AC DC Voltage Tester (ET40) is a compact and reliable electronic voltage tester designed for quickly identifying and distinguishing between AC and DC voltage sources. Engineered for electricians, maintenance technicians, HVAC professionals, and general troubleshooting applications, the ET40 provides clear LED indication of both voltage type and level for fast diagnostics in residential and light commercial