• Versatile Voltage Detection: ANENG B19 offers both non-contact (30–1000V AC) and contact (11–450V AC) voltage measurement capabilities, ensuring comprehensive testing options. • Smart Alert System: Features a color-changing backlit display and ble alarm for instant voltage detection feedback, enhancing safety and ease of use. • Live Wire Identification: Accurately distinguishes between neutral and live wires based on electric field strength or voltage level, supporting electrical work safety. • Intuitive Field Strength Indicator: Three-level scale displays weak, medium, and strong electric fields, providing clear visual feedback on voltage intensity. • Energy-Saving Auto-Off: Automatically powers down after 3 minutes of inactivity, helping preserve battery life. • High Safety Standards: Complies with CAT II 1000V and CAT IV 600V safety ratings, providing reliable protection during high-voltage testing. Specifications: • AC voltage range: Non-contact measurement: 30–1000V; Contact measurement: 11–450V • Frequency: 50–60Hz • Alarm mode: Screen backlight color change and buzzer alarm • Neutral and live wire identification: The wire with higher electric field strength or voltage is the live wire • Three-grid scale indication: Weak electric field, medium electric field, strong electric field • Automatic shutdown: Powers off automatically after 3 minutes of inactivity • Safety rating: CAT II 1000V, CAT IV 600V • NCV voltage detection: Yes • Digital display with backlight: Yes • Battery type: 1.5V AAA battery (1 required, not included) • Insulated rubber-coated handle: Yes • Features: NCV voltage detection, live/neutral wire identification, continuity test Package included: • 1 x Voltage Tester • 1 x English User Manual