The YASONG SLA-090 LED beacon siren light combines a 0–120dB adjustable horn
the siren stays in standby mode and activates sound and light warning when movement is detected within the sensing area
but the emergency button box is not waterproof
flashing LED warning light and a 10W emergency floodlight
YASONG 2 Pack Bike Alarm, 113dB Wireless Anti-Theft Vibration Alarm, 50m Remote, IP55, 7 Sensitivity Levels Wireless Remote Control Alarm The YASONG SLA-090 LED beaconThe 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