?? Features:
Detect Wooden Pillar， Metal Stud， Metal Pipe and AC Voltage
Applicable in house or ofice decoration
Sound and LCD Dynamic Indications
Low Battery Indicator
Auto Power Off
Operating Temperature & Humidity: 0~50℃  50%RH
Fully automatic operation

Specifications:
Detection deepness        wallboard   thickness     remark
                          0~0.5cm      0.5-2cm
wooden pillar/metal stud  ≥3cm        2-3cm    Non-metal and dry wallboard
Metal Pipe                6cm          6cm
AC voltage                ≥20cm       ≥20cm
Operating range: Non-contact AC Detector 50-600V AC 50-60HZ

General Characteristics：
Product Size: 160mm * 70mm * 42mm
Product Weight: 200g
Power Supply: 1 * 9V/6F22 battery (not included)
Package Size: 18.5 * 11 * 6.5cm / 7.1 * 4.4 *2.5in
Package Weight: 279g / 9.8oz

Package List:
1 * MASTECH MS6906 Scanner
1 * English Manual