Door Alarm When Door Opens, Wireless 110dB Anti-Theft with Remote, Door Bells Chimes, Magnetic Alarms for Door, Window

Powerful 110dB Magnetic Alarm: Door and window alarm sounds a piercing 110dB siren the instant the magnetic contact is separated, helping deter intruders and alerting you to unauthorized openings. Four adjustable volume levels let you fine-tune loudness for apartments, homes, or quiet nighttime monitoring. Door Chime & Welcome Bell Mode: Switch to disarmed mode to use this unit as a convenient door chime. Hear a clear "Ding-Dong" when customers enter your shop, guests arrive at home, or family members come and go. Three selectable chime tones let you personalize the alert to match your environment and preference. Long-Range Wireless Remote Control: Included remote lets you arm, disarm, or trigger an emergency alarm from approximately 98-164 ft in open space, adding flexibility for seniors and caregivers. Easily expand the system by pairing multiple alarms and remotes; one sensor links with up to 8 remotes, or one remote manages several sensors. Simple, Wire-Free Installation: No wiring, drilling, or tools required-just peel the backing and stick the host and magnetic strip to clean, dry surfaces. Low-power design extends battery life and included batteries get you started right away. For reliable performance, keep the gap between units under 10 mm when the door is closed. Versatile Security for Any Space: Compact pool, door, and window alarm protects kids, seniors with dementia, and valuables at home or on the go. Ideal for doors, windows, fridges, cabinets, RVs, garages, rental units, el rooms, and small businesses. Keep exits monitored and gain extra peace of mind wherever you need it. Color: Black Material: plastic Package Contents: 2 set Door alarm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.