About this item

• [55 Music with Mute to 110dB]: The door chime for business/home has 55 chimes with 5 adjustable volumes. With LED indicators and memory function: Keep the previous set tune after re-plugging it
• 【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.
• [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)
• 【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
• The door chime alerts when the door is opened. It can serve as a helpful notification for parents of toddlers attempting to leave their room or to signal when elderly individuals with dementia are trying to exit the house.