100% brand new and high quality Wireless door/ window magnet detector alarm.<br />Transmission frequency: 433MHz<br />Operating Power: 23A 12V<br />Including battery and low battery indication<br />It is controlled by micro computer<br />Detect door open and close<br />Look no further， buy instantly for home security!<br />Color: white<br />Material: acrylic<br />Dimension: about 70 x 30 x 15mm<br />Parameters:<br />Working voltage: 12V/23A<br />Transmission frequency: 433MHz<br />Application: can detect the push-and-pull condition of doors， windows， cabinets etc.<br />1 set x Wireless door magnet sensor ( built-in battery )<br />1 x Installation bag<br />In original package<br /><img src="http://img6.eachbuyer.com/x21/p41/bq678_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p41/bq678_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p41/bq678_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p41/bq678_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p41/bq678_5.jpg" />