S SELDORAUK Motion Sensor Door Chime, Dog Barking Alarm Doorbell Guard Wireless Infrared Detect Alert for Home Security Reminder Entry Rang 1000ft 110dB 4 Volume Level (1Receiver+1Detector+1Remote)

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• 【6 Dog Barking & 11 Voice Modes】11 chime modes include 6 real-dog-recorded barks (electronic playback), 1 alarm tone, 2 ding-dongs, 1 melody and 1 welcoming tone. Switch via music buttons—barks simulate real dogs to deter intruders and critters (squirrels, raccoons, boars, foxes, and other critters). Note: Barks are electronic recordings, not identical to live dog barking.
• 【110dB Maximum Volume & 4 Adjustable Levels】Max volume 110dB (electronic playback, quiet environment measurement) with 4 adjustable levels, loud enough for deterrence and alerts. Note: Outdoor wind, distance or obstacles may reduce volume, which may not reach 110dB in complex environments.
• 【Long Working Range & Sensitive PIR Sensor】PIR technology detects living beings; cannot be used behind obstacles (e.g., glass). Wireless range up to 200 meters (open area), detection distance 0-7 meters (110° horizontal, 30° vertical). Ideal for indoor/outdoor use (home, yard, garage, etc.) for early motion warnings.
• 【Dual Power Supply】Supports USB (included) or 3 AA alkaline batteries (not included). Power adapter and batteries are not included. Battery power offers flexible installation; USB power (with adapter) ensures longer use.
• 【Easy Installation & Wide Use】Easy to mount (double-sided sticker/screws included), waterproof for indoor/outdoor use. Suitable for homes, offices, yards, etc. Adjust the frequency via the knob inside the battery compartment to pair multiple chimes with sensors for precise positioning of the motion source.