Metal detectors

Metal detectors http://spy.eu/metal-detectors-spy-shops/
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Metal detector : http://spy.eu/metal-detectors-spy-shops/161_MD02.html Description This detector with high sensitivity is suitable for detecting ferrous and non-ferrous metals. It works in two modes, sound and vibration, which change with each power cycle of the device. It works with a 9V battery. It can be powered by a rechargeable battery and charged via the provided for this purpose jack.
a black and white photo of a garrett electric screwdriver in its box
Metal Detector : http://spy.eu/metal-detectors-spy-shops/160_MD03.html It is one easy to use metal detector which can detect metal ball with size 2.0 mm. Powered by a 9V battery and has low power consumption. You can also use rechargeable batteries.