YASONG 2 Pack Bike Alarm, 113dB Wireless Anti-Theft Vibration Alarm, 50m Remote, IP55, 7 Sensitivity Levels Accessories & Specialized Devices This model uses solar charging

This model uses solar charging and motion detection to monitor open areas without fixed wiring

The volume and tone are not adjustable

the siren stays in standby mode

Color options: available with a red

YASONG 2 Pack Bike Alarm, 113dB Wireless Anti-Theft Vibration Alarm, 50m Remote, IP55, 7 Sensitivity Levels Accessories & Specialized Devices This model uses solar chargingThe 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