Live Wire and Metal Detection: The digital detector locates live wires up to 50 mm and metal up to depths of 70 mm. The wall scanner warns users with a blinking red light and beeping signal. Dedicated LEDs make a differentiation between metal and live wires possible. Pick up and Go: easy scanning at the touch of a button. New sound concept with parking assistance logic clearly indicates where drilling should not be carried out. Auto-Calibration: The wall scanner automatically calibrates once the device is placed against the wall and will recalibrate when placed in a new position. Sustainability: This product comes with sustainability features, please find more detail in the images. Scope of Delivery: Truvo, 3 x 1,5 V batteries (AAA), quick start guide, user manual, cardboard box, Weight: 0.330693393 Pounds, Manufacturer: Bosch