Wireless Infrared Passage Detector - With 32 Different Melodies - For Business Hotel and Home - White - 1 Transmitter and 1 Receiver

General description Wireless Infrared Passage Detector designed for both business and home use, featuring 32 different melodies. This versatile device serves multiple functions including a doorbell, alarm, and colorful lighting, making it ideal for shop owners during the day and providing anti-theft protection at night. Technical specifications Transmission range: up to 280 m in open space Music chip: 8-chord Horn size: 40 mm Number of chime melodies: 36 Volume levels: 4 adjustable levels (high/loud/medium/low) from 113 to 25 dB Other information Remembers the last set melody and volume when turned off Multicolor LED lights with adjustable brightness Different inputs indicated by different colors