The Commercial Electric Voltage Tester MS8904 is the contact/non-contact voltage tester, which could be used on 70 - 250 AC circuit, socket and wires. The tester features the continuity test. Flash light and self-testing design are creative on this tester.
Tester could be tested by self-testing method before use
Contact and non-contact detecting provide different testing methods for the user
Bright flash light could be used when the tester is used in dark environment
High and low sensitivity is adjustable for the user according to different testing environment