Key specifications/special features

1. High sensitivity, can detect small metal objects
2. Boot automatic detection function
3. According to the size of the measured metal, emit different alarm sounds
4. Under-voltage indication function
Operating frequency: 93kHz audio
Frequency: 2kHz, warbled
Dimension: length: 16.5'' (42cm)
Width: 3.25'' (8.3cm)
Thickness: 1.62'' (4.13cm)
Weight: 17.6oz. (499g)
Voltage: 6.8 to 10V DC
Current: 5mA, typical
Battery: standard 9V
Package included: 1 x metal detector, 1 x warranty card, 1 x user's manual