One big merit of this Underground 2 Meters Metal Detector is easy to operate and owns a wide range detecting, precise positioning and good induction. Apart from that it has rugged outdoor design in the industry. The operation mode of it can be balance or recognition. The main vibration frequency is 455KHZ, while the signal frequency is 433HZ. And the detecting depth range detect distance of this underground metal detector is 1.5m to 2m.The power consumption of it is 1W, which can help save energy. If you want to buy one, come to detectorall.com, we will provide you high quality products at the best price. Come and seize the chance.