Ideal for indoor installation and renovation projects
Equipped with both audio and visual alarms when detecting metal or live wires
Capable of identifying metal objects and electrical wires within walls
Voltage Detection Range: About 30mm for AC100V (or higher) electrical wire

Keep the detector away from the object you are testing. Set the function switch to the appropriate mode, then adjust the knob until the alarm sounds and lights up. Move it back slightly to stop the alert.
Switch to 'Metal' mode for detecting metal objects, and to 'Voltage' mode for identifying live wires.
Position the detector's "DETECT" side close to the object and move it parallel along the surface. When it detects metal or an electrical wire, the device will emit sound and Light signals.
Always turn off the device after use. Remove the battery if not in use for an extended period.
Note: This device cannot detect AC wires inside metal pipes or walls.
Power Supply: One 9V 6F22 battery
Product Dimensions: 148 x 78 x 24 mm
Weight: Approximately 117g (excluding battery)
Standard Accessories: Meter (without battery), battery, user manual
Wuxi Changchen Technology Co., Ltd , https://www.wxchangchen.com