Handy Type Needle Detector

This innovative and convenient type needle detector can detect 0.8 mm steel needles. Battery-saving mode Battery mode is automatically converted to saving mode while the device is in standby mode, reducing battery usage. When you lift it by hand, the machine begins automatically. The newly developed detecting circuit has a low power consumption. Light in weight The weight is light and agronomically beneficial. The newly constructed body allows you to grasp for an extended period of time. Model SJZ-1 Detection Method Magnetic Induction Detecting Area 25mm (W)X 50 mm(D) Alarm Method Electric buzzer, large indicator Lamp Power Source 1.5 Dry Cell battery 2AAA Battery Life 200H (Apporx.)