Door Chime Wireless Door Alarm Sensor Door Open Alert with Color LED Indicators 1000ft Range 55 Chimes Adjustable Volume Mute Mode for Office/Home/Store.1 Plug-in Receiver +3 Door sensor

🔔【Wireless Door Sensor Chime】 Door open chime can be used as a way of remind business when customers coming .Or as an alarm，protect children when they open windows/door at will or prevent thief comes. 🔔【Friendly for Elder or Hearing Impaired Person】Wireless door sensor chime with colorful LED flash indicator can attract your attention even when the receiver is muted.The LED flash will keep flashing and changing until the bell stops. 🔔【55Melodies &5Volume& Memory Function】Door open chime with 55 chimes and 5 levels adjustable volume(0dB to 110 dB).Different occasions choose different volumes,You can aslo set different ringtones for different doors. HUWOO open door sensor can keep the previous setted tune after re-plugging it. 🔔【1000ft/300mOpenArea Range&Easy to Install】The signal distance of wireless door chime kit in open area is up to 1000ft Whether you are upstairs,in the garden,or a few rooms away, you can hear the bell ringing. The entry alert chime just plug into outlet,then stick door sensor to any doors or windows. 🔔【Waterproof Door Contact Sensor】The door sensor is IP55 waterproof and can be installed outdoorsThere is waterproof silica gel inside to protect the built-in 23A 12V alkaline battery fromrain.Before sticking the sensor,please take out the insulating paper and pair it with the receiver. Each door sensor is paired before delivery, you can use it directly. The doorbell is paired. The default ringtones is “Ding-Dong”. User can change the ringtone easily. CHANGING THE RINGTONE/PAIRING: Step 1: Press the Forward or Backward button on the receiver to choose your favorite melody. Step 2: Press and hold down the Volume botton on the receiver for 5s, until it makes a "Ding" sound and the receiver indicator flashes (that means the doorbell entered into the Pairing Mode, the pairing mode will only last 8s, then it will automatically exit). Step 3: Make the gap of sensor part and magnetic beyond 10CM(4IN) (the sensor send signal to receiver), it will makes a "Ding-Ding" sound and the receiver indicator flashes. Step 4: Make the gap of sensor part and magnetic beyond 10CM(4IN) again to confirm whether the current ringtone is the one you have set, if yes, the pairing is completed. Serving Customer Office Business Protect Children Prevent Thief Wireless Door Sensor Chime with Colorful Flash Friendly for Elder or Hearing Impaired Person/Suitable for Business Wireless door sensor chime with colorful LED flash indicator can attract your attention even when the receiver is muted. The LED flash will keep flashing and changing until the bell stops. The elderly no longer miss any visitors, nor will they be afraid of children opening windows or doors at will, because the colorful warning lights are particularly attractive, and the bell and the colored warning lights provide double protection. When you are in the office talking about business and don't want to be disturbed by ringing, you can set the receiver to silent mode to give you quiet hearing. You also don't have to be afraid to miss out when someone enters the office, because the colorful warning lights will visually alert you. Here is the product pairing video：https://www.amazon.com/vdp/08b8a7198d3b49448461aa1f07c09a90?ref=dp_vse_rvc_0