inputs.text: murs systehem great read - please note transmitter not mursi purchased thinking would go dakota murs alert dkmursbskit doesntimportantthe dakota murs dkmursbskit transmitters antennause [ [ asinb001bi4quk dakota alert murs alert transmitter ] ] optional walkie talkie[ [ asinb0002xrpna murs hand held twoway radio m538ht ] ] also found birdhouse [ [ asinb00ai281h4 birdhouse unassembled kit ] ] [ [ asinb005vexqy2 newbirdhouse unassembled kit dkbh1uf ] ] helpful hide protect transmittermy mother loves dakota alert long range alert system kitshe two driveways house transmitter entrance someone enters base unit walkie talkie says zone 1 alert zone 2 alert way knows someone entered drive used add 4 transmitters added one back says zone 3 means someone back deck wonderful says makes feel safethis not replace burglar home alarm good driveway alertof course also burglar alarm house panic button needed use thatbut knowing intruder driveway reach house greati would highly recommend dakota alert system [ [ asinb00104qgxa dakota alert long range alert system kit ] ] use rechargeable battery operated walkietalkie power outages transmitters run 9v batteryanother inside useif small kids family member alzheimerand concerned going near exit staircaseyou use dakota alert \\inside\\ houseexample placed near hallway near doorway inside room base master bedroom child gets sets motion sensor parent go check wander get near stairsster bedroom child gets sets motion sensor parent go check wander get near stairs