Wireless infrared motion detector - With 32 different melodies - For business hotels and homes - White - 1 transmitter and 1 receiver

Shop owners during the day, anti-theft protection at night, L-shaped door blade / welcome / doorbell / alarm / colored light / 5-in-1 multi-function lighting

Transmission range up to 280 m in open space

8-chord music chip, 40 mm horn, 36 chime melodies. Remembers your last melody and volume setting when you turn it off.

Multicolor LED lights, adjustable brightness, different entrances with different colors

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