Main Features:<br />Sensitive electronic circuitry pin-points any metal objects， pipes， steel rods<br />Non-contact indication inside wall and plasters<br />Detects AC voltage(Wheather current flows or not)<br />LED indicator stays on for metal and blinks for AC current flows<br /><br />    Specifications<br />General<br />	 Special function: Metal detector， AC current flows detector                                                  <br />                        Power Supply: 9V battery (not included)                                                	<br />Dimension and Weight<br />	 Product weight: 0.082 kg                                                  <br />                        Package weight: 0.150 kg                                                  <br />                        Product size (L x W x H): 15.0 x 7.0 x 3.0 cm/ 6.0 x 2.7 x 1.2 inches                                                  <br />                        Package size (L x W x H): 17.0 x 9.0 x 5.0 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x Metal Voltage Detector                                                	<br /><br /><br /><br />                                                <br />