Zhengzhou where to sell hand-held probe? [Zhengzhou] Hanson Radio Communications Equipment Co., Ltd. Tel: 18939564786 performance and features a simple operation, easy to carry 2, with charging function, charge time 4-6 hours (charger sold separately) 3, when the voltage is not enough to indicate does not light or alarm has been 4, light and sound vibration alarm prompted the dual mode 5, the first use of automatic reset switch to switch sensitivity, enabling large items that can be detected (excluding small items), but also can detect very small metal objects 6, with adjustable sensitivity function 7, this section is the electronic factories, ** the police, security personnel, pipeline QC staff is currently the most used one. 8, this section is currently the world's most widely used in various fields a. Product parameters: 1, Dimensions: Length 415mm * 65mm * 40mm 2, Power supply: 6F22ND 9V battery (alkaline battery, rechargeable battery) 3, the sealing performance: IP64 4, Alarm mode: sound and light alarm simultaneously 5, Weight : 295g