SanJie Door Chime, Door Open Contact Sensor Alarm with 500 FT Range,26 Chimes 5 Adjustable Volume for Business/Store/Home/Office When Entering 2

【Door chimes when door opens】This wireless door chime can be a good reminder for you if you have toddler who try to sneak out of their bed room or help alert you the elderly with dementia who is trying to get out of the house. [Wireless door chime for business when entering]: This door entry chime can be used as a doorbell for your retail shop for your commercial to remind you when someone walks into your store, you will never miss any customers(visitors) 【Easy to Install】The door sensor chime and receiver are paired already,Just plug the receiver into standard outlet, tear the double-side adhesive tape of the entry alert chime and stick them to any door or window. [26 Music with Mute to 110dB]: The door chime for business/home has 26 chimes with 5 adjustable volumes. With LED indicators and memory function: Keep the previous set tune after re-plugging it 【Long Range & Expandable】The door chime wireless door sensor has 500feets far enough to cover every door in your house or store. And each door opening chime for business can be paired unlimited magnetic sensor, you can also pair different ringtone to each sensor, so that you can realize exactly which door is triggered 【After-sales service】 Free return and exchange within 30 days, lifetime customer service. Any product issues can be contacted through the order, and we will solve them for you as soon as possible!

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