Main Features:<br />This instrument is only used to judge whether the conductor is live or not.<br />A necessary tool for everybody who works with electricity<br />Ideal for testing AC cables， circuit breakers， wall sockets， junction boxes， fuses， etc.<br />Compact， safe， and easy to carry and operate<br />Long lifespan and low power consumption<br />Totally insulated， no exposed metal or conductive parts<br />Beep sound and red flashing LED indicating the presence of voltage<br />Non-Contact detection voltage sensitivity: 90 - 1000V AC (Never test the voltage which is more than 1000V AC)<br />Operating Temperature: -10 to 50 degree centigrade<br />Storage temperature: -10 to 50 degree centigrade<br />Operating humidity: 80%<br />Cleaning: Clean with damp cloth<br />Power: Two 1.5V AAA batteries<br /><br />    Specifications<br />Specification<br />	 Model  : 1AC-D                                                  <br />                        Special function  : Beep sound and red flashing LED indicator                                                  <br />                        Product weight   : 0.030 kg                                                  <br />                        Package weight   : 0.055 kg                                                  <br />                        Product size (L x W x H)  : 16 x 3 x 2 cm / 6.29 x 1.18 x 0.79 inches                                                  <br />                        Package size (L x W x H)  : 20 x 8 x 2 cm / 7.86 x 3.14 x 0.79 inches                                                  <br />                        Package Contents: 1 x 1AC-D LED Light Voltage Alert Pen， 2 x AAA Battery                                                	<br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br />                                                <br />