MODEL: GEC-010 Defense Model Auto set.High sensitivity-detects 5mm metal of Ferrous, Non-ferrous & Ferrite. Sharp Audio on metal detection. Visual indication for -ON, Metal, Low battery & Charge. 9V Rechargeable Battery. In-built charger. Low power consumption - Continuous use 350 hrs or more. Sturdy ABS molded body. Operating Frequency : 20Khz, Weight : 300 g (including the battery), Length : 400mm, Width : 40mm, Height : 73mm Indicator : BZ, Rechargeable battery Detection level single stapler pin, Guarantee : One Year for the product