RScan-H801 Handhold Metal Detector

?Functions?  ? Sensitivity:super sensitive, a tiny metal piece like a paper clip can be detected;  ? Anti-resistance:resistance can be removed by adjusting button;  ? Self-diagnosis:auto diagnosis when starting, no need to adjust;  ? Alarm:by sound, buzz and light;  ? Recognition function:to distinguish the size and distance of the objects by colors green, yellow and red; to distinguish the size and distance of the objects by sound.  ? Work mode:only bigger size metal item will alarm while using low-sensitivity mode (keeping pressing this button while detecting)  ? Applications:High d
RScan-H801 Handhold Metal Detector