This model uses a cold-rolled steel housing and an external anti-collision protective cover around the warning light
adjustable volume
The YASONG SLA-090 LED beacon siren light combines a 0–120dB adjustable horn
90dB buzzer sound and separate sound and light control for vehicles
Red and blue double-sided strobe for traffic and site safety
YASONG 2 Pack Bike Alarm, 113dB Wireless Anti-Theft Vibration Alarm, 50m Remote, IP55, 7 Sensitivity Levels Wireless Remote Control Alarm This model uses a cold-rolledThe YASONG 2 Pack bike alarm is a wireless anti theft vibration alarm designed for bicycles, motorcycles, electric bikes, scooters, trailers, luggage, and other vehicles that need extra theft deterrence. This model uses a vibration triggered alarm. When armed, the alarm gives a short warning after touch or collision, then sounds a longer alarm if movement happens again within 12 seconds. 113dB loud alarm shown in the product title for theft deterrence