wi78131 手持金属探测仪

SpecificationF
Power Supply: 8pcs 1.5V Batteries in Series
external battery box and bag
Emitting Frequency: 6.99KHz
Signal Frequency: 437KHz
Indicators: Visual: Lever Meter
Sound:2"Speaker or Earphone
（Earphone not included）
Function: Disc: Ground Balance;
Distinguish Ferrous and Non-Ferrous Metal
Controls: Disc Control; Ground Balance Control;
Tune Control; Sensitivity control;
Discrimination Control ;
Zeroing Control
Operating Current 300mA MAX at MAX Volume
The Detecting Depth （Max） 1.5-2 Meters---- small coil
3-5 Meters----big coil
Sensitivity: 25-30cm for a US（25cent）--small coil
40 cm for a US（25cent）-big coil
Export Packing: 4PCS /Carton 0.18CBM
85×33.2×64.（cm）06
Color Grass Green / Black