Power supply: 1 x 9V alkaline prismatic battery (included) Detectable depth: Detect with an accuracy of ±25mm up to 15cm Detectable depth: Detect with an accuracy of ±25mm (up to 15cm) Detectable accuracy (example): Detect 1 x 13mm diameter reinforced bar or 13mm diameter copper tube placed at minimum 15cm宽度为±13mm宽度(mm)的间隔:98 高度(mm):225 厚度(mm):57 电源:1 x 9V碱性Prismatic电池(包括) 总长度(mm)总长度(mm):225 225 dyv with powers(v):1 x x 9v dyv draude