With the function of zero-fire line identification, non-contact power measurement, sensitivity adjustment, flashlight illumination, breakpoint detection, automatic shutdown, sound and light alarm, etc., this power measurement pen is widely used. There are LED illumination lights compatible this power measuring pen, which can easily find the route in dim environment, and can also be used as an emergency flashlight. It can quickly find the location of the line breakpoint, the electric pen red light flashes, the alarm frequency is fast compatible the location of the breakpoint. It is constructed of abs material. The length of this product is 157mm and width is 24mm. It can be used in factories, electrical appliances, automobile maintenance, homes, etc. Item Name: Electric Pen Material: ABS Features: Sound and Light Alarm, Non-contact, Durable Power Supply: 2 x AAA Batteries (Not Included) Measuring AC Voltage Range: 12-1000V 50-60Hz Zero-fire Line Identification: Yes Non-contact Power Measurement: Yes Sensitivity Adjustment: Yes Flashlight Illumination: Yes Breakpoint Detection: Yes Automatic Shutdown: Yes Sound and Light Alarm: Yes Size Details: L: 157mm/6.18", W: 24mm/0.94"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Electric Pen 1 x English User Manual