Door Chime, Upgraded Wireless Door Alarm Opened, Magnetic Contact Sensor

【A Must-Have Door Chime for Home and Business】 Good reminder when your toddler sneaking go out of bedroom, or elderly with dementia trying to get out of the house. Perfect front door entry alert chime for your business and office
【Install in a Snap!】No pairing needed – just stick & plug! Position the sensor within 0.4″ of the door/window, pop the chime into any outlet, and enjoy instant alerts. DIY-friendly in minutes
【 48-Tone Door Chime】Engineered for versatility, this doorbell offers 48 selectable melodies with 5-stage volume control (0-100dB) for security, hospitality, or notification scenarios. Multi-transmitter capability allows location-specific ringtones. Silent operation triggers LED indicator only