Check the listing for details. WSDCAM Screw-Mounted Trailer Anti-Theft Alarm - 113dB Loud.. Condition: New other (see details). Listed at 19.99 USD. The WSDCAM Screw-Mounted Trailer Anti-Theft Alarm is a reliable and loud 113dB alarm designed to deter theft of trailers and other valuable assets. With its screw-mounted feature, this alarm is easy to install and provides added security for your property. Its anti-theft design ensures peace of mind while protecting your belongings from potential theft. Ideal for cyclists and outdoor enthusiasts looking to safeguard their trailers and equipment, the WSDCAM Anti-Theft Alarm is a practical and effective accessory for ensuring safety and security. WSDCAM Screw-Mounted Trailer Anti-Theft Alarm - 113dB Loud Vibration Security Car Alarm with 7-Level Sensitivity, IP65 Waterproof, 130ft Remote Control for Truck Tool Box, Rooftop Cargo & Outdoor Gear