Physen Wireless Home Security Driveway Alarm,Motion Sensor Detect Alert, Store Door Entry Chime with 3 Motion Sensors and 2 Receivers,400ft Range,52 Chimes,4 Volume Levels,Build in LED Indicators

Simple and ModernTake Care of Your Child:Alerts when your love one is where they aren't supposed to beGreat for retail or small business environmentsNotifies when customers arriveSpecifications:Maximum 120m/ 400ft operating rangeSensor battery: 2*1.5V AAA Alkaline BatteryReceiver voltage: 110VVolume range: 25 to 110dBDetection zone: 8.2ft or 2.5m x 110°Dimension: Receiver: 87 x 80 x 27.5mm or 3.43 x 3.15 x 1.08in; Sensor: 86 x 55 x 36mm or 3.39 x 2.17 x 1.42inYou can program one chime for one door transmitter and a different chime for the other one, so you know which area to go answerHere is how it works:1.Select desired ringtone by pressing music control button;2.After choose the ringtone,then long press receiver volume button for about 5-7 seconds until hear receiver "ding" with blue led light flasheswhich mean receiver get into pairing mode and it will exit it automatically if it doesn't get signal from transmitter in 5 seconds3.When receiver get into pairing mode,you should immediately active the motion sensor pair with the receiver in 5 seconds.You will hear the tone you selected which mean your operation is successfully.Then on this receiver to choose a different chime for the other one motion sensor and following the above pairing instruction to make them paired is fine.Here at PHYSEN,we encourage you to make use of our Worry-Free Lifetime Warranty Guarantee. A happy purchasing experience is the utmost importance to us and we will happily send a product replacement if any issues arise.