Features： 1、Voltage Tester: The voltage tester can accurately detect the voltage in the circuit, thus distinguishing the neutral wire and live wire. 2、With Clear Alarm: Non contact testing ensures high safety for working, while the sound and light alarm enables safer operation. 3、Sensitivity Adjusting: One button sensitivity adjustment will largely simplify the testing, which will also satisfy your various work needs. 4、ABS and PC Material: Sturdy ABS is very durable with impact and falling, while the transparent PC cover is very hard against wearing and scratching. 5、Easy Carrying: Comes with a light weight and a compact size as well, the voltage tester detector pen can be easily carried for outdoor use. Specification： Item Type: Non Contact Voltage Tester Material: ABS, PC. Package List： 1 x Non Contact Voltage Tester