Ideal product to protect your child against lost, such as park, garden, shopping mall etc.<br>Attach the transmitter to a personal belonging e.g. Phone, iPOD, a child or a pet and the receiver vibrates and sounds alarm when the child or pet exceeds a set distance<br>Distance adjustable from 1-15m(usually about 4 meters) <br>Also ideal for wallets, PCs, purses and other important items<br>Compact size, easy to carry<br>Transmitter battery: one CR 2032 (included)<br>Receiver battery: one AAA ( not included)<br>On/off button<br>Obstacles may reduce alarm range<br>Search function: When an important item is missing, switch the receiver on to search mode to activate the alarm <br>1. Transmitter<br>Overall: 44 × 45 × 8.7 (mm)<br>Weight: 10 g<br>2. Receiver<br>Overall: 60 × 36 × 15 (mm),<br>Weight: 35.5g<br>3. Launching waves: 1mW, without any personal injury.<br>1 x Transmitter<br>1 x Receiver<br>1 x Key chain<br>In original package<br /><img src="http://img6.eachbuyer.com/x23/p29/bc140_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p29/bc140_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p29/bc140_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p29/bc140_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x23/p29/bc140_5.jpg" />