1 aluminum foil antenna, covering the full back vision range of reversing parking, without any blind angle. <br />2 not need to drill, easy to install, put the antenna close to the inside of rear bumper bar, not affect the external appearance of car. <br />3 electromagnetic induction, according to detection range to alarm in three sections, user-friendly design. <br />4 LED display alarm + buzzer alarm, safe and reliable. <br />5 induction range within 2.7 m <br />Note: The product has high sensitivity to sensor body and metal; for pure natural elements (such as rocks, trees), sensing capability is weaker.<br />Color: Black <br />Material: ABS <br />Package size: about 18.5 x 14.5 x 4.5cm <br />Host Size: about 58 x 35 x 17.3cm (2.3 x 1.34 x 0.7 inches) <br />Sensing antenna length: about 2.3m <br />Power cord length: about 1m <br />Alarm speaker cable length: about 5 meters <br />Parameter information: <br />1 operating voltage: DC 12V <br />2 with buzzer <br />3 alarm method: LED display and buzz <br />4 installation method: put sensor antenna close to bumper bar <br />5 applicable vehicles: universal <br />Features: <br />Compact, easy to install, easy to operate<br />1 x Host<br />1 x Alarm speaker <br />1 x Sensor antenna<br />1 x Bag accessories (2 x cable tie, 2 x magic tape, 1 x washer) <br />1 x English user manual<br />In original package<br /><img src="http://img6.eachbuyer.com/x9/p100/bv215_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv215_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv215_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv215_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv215_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv215_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv215_7.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/bv215_8.jpg" />