Product introduction: This products belong to the latest generation of BSIDE brand smart voltage detector tester! The 1.9-inch Red/Green two-color display design leaves an excellent user experience for buyers;The easy-to use/Single Button to Switch design is well recognized by buyers. Exquisite appearance / reliable performance / complete functions, can meet the needs of different groups of people, and is very suitable as gift. Main Features: Non-contact and pen shaped desigh,convenient to operate and carry. Dual sensitivity mode(High:12~1000V / Low:48~1000V). The sensitivity of the product can be adjusted freely according to the actual scene used. This product has a Self-test function at boot time. It can effectively detect whether the product can work normally and avoid wrong judgment. Has Induction dangerous voltage alarm, Live/Neutral wire distinction, Live Wire Breakpoint Locate, Continuity check, DC/AC voltage, resistance, frequency, flashlight lighting features etc. Alarm mode:Sound and light (Red/Green). LED spotlight, Battery low voltage reminder, Auto power off features. Safety level: CAT II 1000V. Compliance with international safety standards.