wireless key finder

Remote key finder with learning Brief introduction: The transmitter wirelessly control the receiver through radiowave.It is used to locate easily lost articles and misplaced things in home orluggage in airport or train station...etc For adult ,it is good product for savingtime for searching easilylost articles such as car keys ,TV remote,PDA,pill box,pets..etc,avoid annoy for searching something when go for business orwork. Also help you quickly locate your luggage in airport station. For senior andchildren , as youknow old people and younger children easilyforget to remember wheretheir things put.such as toys ,eyeglasses,pillbox..etc.also help thesenior to call babysister or housekeeper.so ourremote key finder can help them to quickly locate the easily lost articles and act as good gift for family harmony. ourlocator strength as follows : 1.) With learning function , you can learn transmitter with receiver . Learning function can avoid other RF transmitter signal disturbance in near place and perform one by one control with receiver..2.)it is slim,6mm thickness.suitable to attach on the TV remote ,PDA ,MP4,MP3..etcor put in the wallet.3.) 85-90 dB sound volumewith LED flash4.) remote distance 80-100feet,enough to cover your whole house .5.)10-12 months battery life6.)how many receivers you need ,it is up to youSpecifications :Voltage12V A23battery (transmitter)3V CR2032 button battery (receiver)Frequency433.92MHz or 303.875MHzSound Volume85-90dBRemote distance80-100feet