Models:U447/U448 Only Color is different Feature: 1.One Button Operation: Easy and quick to use. 2.Audio and Vibration Alerts: When the detector is in the proximity of the target, the buzzer and vibration alarms will occur. The closer the detector gets to the target, the intenser the alarm. 3.Automatic Tuning: Once you feel the alarm, you can press the button to make it retune to narrow the detection field. 4.360°Side Scanning: Supporting 360-degree detection area, it detects more accurately and more efficiently. 5.IP66 waterproof grade makes the detector to work well in rainy days or among moist soil. .
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