Feature: 1. [Accurate And Easy To Read] 2 in 1 hold function, easy to read when moving the instrument, accurate measurement results, you can use it with confidence. 2. [With 3 Gear] 3 gear: the depth range of the detection wall is 25 mm, 2 gear: the depth range of the detection wall is 38 mm, 1 gear: the depth range of the detection wall is 13 mm. 3. [Wire Detection] It can detect the position of the wire, and the depth of the live wire in the wall is 51 mm. 4. [Metal Detection] It can detect the metal position, and the depth of the metal in the wall is 60 mm. 5. [LCD With Backlight] Made of high quality ABS material, LCD display, with green backlight, easy to operate, long service life. Specification: Item Type: Wall Metal Detector Material: ABS Battery: 1 x 9V 6F22 (Battery Not Included) Application: Metal detection, battery detection, wood detection Support Language: English Angle Measurement Range: 4 x 90° Display Resolution: 0.05° Angle Measurement Accuracy: ±0.2° at 0°~90°, other angles are ±0.3° Unit of Measurement: ° , % Function: Hold function Display: LCD Display With Green Backlight Working Current: