Hendun Motion Sensor Door Bell Chime for Business, Commercial Ring Bell

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• Easy Wire-Free Installation: Portable ring chime sensor detects motion when entering and sends a signal to the receiver with fast and simple setup
• Selectable Ringtones: The receiver features a doorbell design with 36 different ringtones from melody sounds to simple basic buzzer for personal preferences and 5 welcome ringtones for retail store
• Wide Range Coverage: The transmission range of the doorbell chime is up to 918ft from the detector to the receiver and detection range of the infrared door sensor approximately 13-26ft to keep you informed and safe, suitable for monitoring Alzheimer patients, sleepwalking individuals, toddlers, wandering dementia patients, and seniors
• Multipurpose Applications: Motion activated sensor chime functions as door security burglar alarm for RV van, mailbox alert, entry alert chime for business visitor doorbell, cordless fall and wander pet cat dog monitor alarm, and fall reminder for elderly caregiver, indoor use only or protected from rain
• Adjustable Volume and Light Mode: Features 4 stages adjustable volume ranging from loud to low at 113-25dB with batteries and USB-C dual power supply options available, power sources not included
• Multiple Device Pairing: The receiver host can learn up to 32 infrared curtain sensors to detect different entrances with color light to distinguish the entrances for enhanced monitoring capabilities
• Long Battery Life: Receiver host battery can last for 5 to 7 months with average use of 30 rings per day, infrared curtain battery can last for 5 to 7 months with average detection of 30 times per day