YASONG 2 Pack Bike Alarm, 113dB Wireless Anti-Theft Vibration Alarm, 50m Remote, IP55, 7 Sensitivity Levels Motion Sensor & Detector Alarm Siren This product is a visual

This product is a visual warning light and requires DC12V–24V vehicle power

Fully charge the siren before outdoor use

The siren itself has no built-in battery

Up to 120dB adjustable sound and light alarm

Rechargeable battery design for portable warning use

YASONG 2 Pack Bike Alarm, 113dB Wireless Anti-Theft Vibration Alarm, 50m Remote, IP55, 7 Sensitivity Levels Motion Sensor & Detector Alarm Siren This product is a visualThe YASONG 2 Pack bike alarm is a wireless anti theft vibration alarm designed for bicycles, motorcycles, scooters, trailers, and other vehicles that need extra theft deterrence. This model uses a vibration triggered alarm. When armed, the alarm gives a 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 164ft 50m remote range for