Door Chime,Wireless Door Chimes When Door Opens Entry Alarm for Home/Business/Office/Store with 800ft Range,55 Chimes and 5 Adjustable Volume Door Ringer Alert

[Product Upgrade] The upgraded door sensor chime allows each battery to be used 100, 000 times and supports 3-5 years of use, reducing the need for frequent battery replacement. [Door Chimes When the Door Opens] This wireless door chime provides a helpful reminder if a toddler tries to leave the bedroom or alerts you when an elderly person with dementia is trying to leave the house. [Wide Working Range] This wireless door open chime for home has a range of up to 600 ft in an open area. The 55 ringtone options allow different ringtones to be assigned to different doors, so you know which door has opened.

[Mute and 110dB Volume] The chime offers 5 adjustable volume levels. The maximum volume of 110dB is loud enough to be heard anywhere in the house, including the basement. Set it to mute when you prefer not to be disturbed. [50-Sensor Expandable] The receiver can be paired with up to 50 chime sensors, and each door sensor can be paired with up to 50 receivers. It can be installed in the dining room, bedroom, living room, garage, yard, store, or office