Alfawise 433MHz 100dB Loud Noise Wired Alert Siren
● Deterrent 100dB loud noise to scare away the intruder
● Causes discomfort and even damage to the hearing in just 15 minutes
● Loud enough to be heard 300 meters away to raise awareness of anyone nearby
● 433MHz wireless connection with PG - 105 within 80m ( free of obstacles ), 30 - 40m ( indoors )
● 3.5mm audio jack, 12V DC power supply
Note: the host machine is not included.