?Motion Sensor Distance? Wireless Motion Sensor Chime detects movement between 16.5ft/5m to 110 degree. Transmitting signal to receiver within 500ft/150m in operating range, an activation for the receiver to alert.
?52 Unique Ringtone?Provide 52 different options of ringtone and 4 Level Volume for a 25-110dB volume range. Never miss a visitor or customers walk-in. Each ringtone only play ONCE.
?Door Entry alert? NOT Waterproof, apply to front doors, window frames, driveways, walking paths and anywhere you want to be alerted to motion. Also great to alert business owners that are working in the back, or out of sight, to customers entering their store.
?Expandable and 2 Power Supply Mode?More sensors and receivers can be easily added. Receiver is AC plug-in type; motion sensor can be powered by 2xAAA batteries (Not included) or with a USB cable. (note: USB option does not charge the batteries)
?1 Year Quality Service? Any problems about motion sensor detector,please contact with our customer service team to get a full refund or replacement.