This wall scanning sensor is made of , which can withstand use. Features the ABS and components material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Black -Material:ABS, LCD, components -Size: 15.40X6.80X3.00cm;/6.05X2.67X1.18in; detection gear: wall thickness within 1 1/2 inch/38mm Metal detection: wall thickness within 3 inch/76mm Live wire detection: wall thickness within 3 inch/76mm Battery: 6F22 9V (not included) - Helps you find precise centers and edges easily and quickly, saving your time and effort. - Can be used to detect wood, , metal studs, , or rebars behind walls, floors or ceilings quickly and easily, also indicates the existence of wire. - LCD backlit display and audible indication, auto calibration in all detection functions. - Outstanding workmanship, reasonable design, stable and practical, will bring you a . - Every detail is carefully crafted, experience the high durability and practicality. Package list: 1 x