CallTou Door Sensor Chime for Door Opens Door Entry Chime 800 FT Range 55 Chimes 5 Adjustable Volume Door Ringer Alert medical alert system 🔔[Long-distance and Anti-interference]:Door Sensor Chime

🔔[Long-distance and Anti-interference]:Door Sensor Chime working distance up to 1000ft in open and barrier-free environment

easy to operate

Enhance your home security with a reliable and effective solution

Alarm Hub*1

CallTou Door Sensor Chime for Door Opens Door Entry Chime 800 FT Range 55 Chimes 5 Adjustable Volume Door Ringer Alert medical alert system 🔔[Long-distance and Anti-interference]:Door Sensor ChimeProduct Description Product up gradationThe upgraded door sensor chime can make each battery use 100,000 times, easy to use 3 5 years, you no longer have to frequently replace the battery Door chimes when door opensThis 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. Wide Working Range: This wireless door