Features Compact & Portable Design: The pen-shaped form factor ensures easy carrying and operation, making it perfect for on-the-go electrical testing Wide Voltage Detection Range: Accurately measures AC voltages from 12V to 1000V, providing versatility for various applications and environments Clear Signal Strength Indicators: Red and green lights clearly display low, medium, and strong voltage levels, ensuring quick and easy assessments at a glance Built-in LED Flashlight: Equipped with a bright LED flashlight, this device allows for convenient use in dark areas, enhancing visibility during inspections Dual Alarm System: Features both acoustic and visual alarms to alert users of detected voltage, ensuring safety and awareness during testing operations Features: 1、Non- and pen-shaped design, easy to carry and operate. 2、It can detect the AC voltage of 12V ~ 1000V or 48V ~ 1000V. 3、Red/green light signal strength indication: low, medium and strong. 4、Includes LED flashlights for easy use at night or in dark environments. 5、Alarm mode: acoustic light and traffic light alarm. Specification: Features: Non- and pen-shaped design, easy to carry and operate. It can detect the AC voltage of 12V ~ 1000V or 48V ~ 1000V. Red/green light signal strength indication: low, medium and strong. Includes LED flashlights for easy use at night or in dark environments. Alarm mode: acoustic light and traffic light alarm. Use the "S" key to switch the detection range of AC voltage. If there is no , automatic shutdown in 15 minutes. Widely used in industrial power supply and family lines surveys. Specification: Brand: MESTEK Material: ABS Weight: 46g/1.6oz Color: Black AC Voltage Range: 12V~1000V / 48V~1000V (default) Alarm Mode: sound light and traffic light alarm Automatic Shutdown: Yes Battery Deficiency Indicator: Yes Security level: CAT III 1000V Power: 2*1.5 V AAA battery (NOT included) Size: 160*28*20mm/6.3*1.1*0.8inch Package List: 1 x Voltage Tester Package List