Infrared Doorbell Alarm Sensor Bell Passage Charger Or Entrance Detector Welcome Guest With 32 Melodies,2 Infrared+1 Receiver

store owners during the day, anti-theft protection at night, l door blade / welcome / doorbell / alarm / colorful light / 5 in 1 multi-function light

Remote transmission range up to 280 m in free space. Multicolor LED lights, adjustable brightness, different inputs by different colors

8 chord chip, 40mm horn, 36 chime melodies Think of your last tuned melody and volume when you turn it off

Multi-colored LEDs, adjustable brightness, different inputs by different colors

4 adjustable volume levels (high/high/medium/low) from 113 to 25 dB