High quality GP-Pointer is an essential tool for any serious detective.With our current test, it works almost the same as the original detector.Please rest assured to buy.This model will emit sounds and vibrations, but not always sounds and vibrations when held still in the presence of metal and it will not beep when this detector is activated.This small, lightweight device uses precision tracking to speed up search retrieval.It is ideal for small object recovery in a wide variety of hunting conditions, ranging from heavily mineralized soil to saltwater saturated sand.It features audible and vibrating alarms to indicate the presence of metal objects.The intensity of the alarms increases when the GP-POINTER has moved closer to the metal target.Microprocessor circuitry ensures maximum sensitivity and requires no fine-tuning or tuning.