1. Durable Material: Broadcast Tester uses high-quality electronic components with long service life. 2. Small and Portable: Intelligent Voice Broadcast Test Pen is light, compact, safe and convenient to carry. 3. Safety Protection: Continuity Live Meter is completely insulated, without exposed metal or conductive parts, with long life and low power consumption. 4. Convenient to Use: To use the Broadcast Tester, just touch the tip to the terminal strip, socket or power cord. 5. Scope of Use: The Positioning Voltage Tester can be used to test the design of power cables, circuit breakers, sockets, junction boxes, fuses, etc. Certification: NONE DIY Supplies: ELECTRICAL Display Type: Digital Only Dimensions: 174x34x29mm/6.85x1.34x1.14inch Model Number: Intelligent Voice Broadcast Test Pen AC voltage: about 12V-1000V Frequency: 50Hz/60Hz Alarm mode: audible and visual alarm+voice Display: LCD display Flashlight: Yes Probe shape: flat Low battery indicator: Yes Fire line and zero line: sound/light/LCD analog display Non-contact sensitivity: adjustable Automatic shutdown: automatic shutdown when there is no induction or operation within 5 minutes. Colour:As Shown Material:ABS Power Supply: 2 x AAA batteries(Not included batteries) Package Contents: 1 * Voltage Tester Pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.