RF wireless remote control electronic key finder, which is environment friendly and has no radiation. <br />Helps you find your keys, purse and MP3 easily. <br />Great for household and travel use <br />Long battery service time and working distance <br />With key rings for convenience and portability <br />Both receiver and transmitter are lightweight and small in size, and easy to carry around and operate. <br />Suitable for:<br />Any key, wallet, cell phone, lovely doll, your pets etc.<br />Some elder person who's forgetful.　 <br />Product type: 1 transmitter to 5 receivers <br />Frequency: 433.92 MHz <br />Housing Material: ABS <br />Sound Volume of Receiver: 85dB <br />Operating Distance: 20m indoor, 20~30m in open space. <br />Transmitter<br />Weight:1.5oz/43g<br />Battery: 27A alkaline 12V(included) <br />Receiver<br />Size:  5.2 x 3.2 x 1.3cm / 2.05 x 1.26 x 0.43 inch<br />Weight: 0.4oz/12g (with battery)<br />Battery: CR2032 x 1(included)<br />Color: orange, black, red, pink, blue <br />1 x Transmitter<br />5 x Receiver<br />1 x English user guide<br />In blister package<br /><img src="http://img6.eachbuyer.com/x21/p14/bq417_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p14/bq417_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p14/bq417_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p14/bq417_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x21/p14/bq417_5.jpg" />