First Class Handheld Metal Detector The First Class handheld metal detector can easily detect pin-sized metal articles (3.5cm to the probe) as it is a very sensitive metal detector. It can greatly improve the working efficiency with its large detecting area. It can work for 40 hours continuously and requires a 9V battery. Batteries not included. PRODUCT SPECS High sensitivity Simple and convenient operation Easily detect pin-sized metal articles (3.5cm to the probe). Large detecting area can complete the detection by moving from top to bottom, greatly improving the working efficiency. Independent battery low voltage system with yellow light Indicator Double indication modes, namely sound & light and vibration to accurately and rapidly judge the metal position With shielded damp-proof sensitivity adjusting hole, it seldom fails and is economic and durable Can work for 40 hours continuously Requires 9V battery (not included)
