The battery is not included.
Sharp pins of the moisture meter, please keep it away carefully after using the tool.
The spirit level of the ultrasonic distance meter can be sured in the level when the air bubble is between the lines.
Laser Point: Class II
Measurement Range: 0.6m to 13m (2ft to 43ft)
Measure Distance Resolution: 0.01m(0.39inch)
Measure Distance Accuracy: +/-1%
Automatic Turn-off: 30 seconds
AC Live Wire: 50mm(2 inches) deep in the wall
Metals: 30mm(1.2 inch) deep in the wall
Power Supply: 1x 9V battery (Battery no included)
Power Consumption: <50mA
Temperature Range: 32℉ to 104℉(0℃ to 40℃)