1. Strong magnetic induction to reduce false alarms: Advanced magnetic induction technology is used to effectively distinguish between real triggering signals and environmental interference, significantly reducing unnecessary alarm frequency. 2. IP66 waterproof rating: It has high waterproof performance and can work normally in harsh weather conditions, ensuring that the equipment can operate in various outdoor environments. 3. 108dB alarm sound: Equipped with a built-in high decibel alarm, it can emit a loud warning sound in case of abnormal situations, ensuring that surrounding personnel can pay attention and respond in a timely manner. 4. Wideless remote control range: Supports remote control operations over long distances of 30-60m, increasing the convenience and flexibility of use. Alarm volume:108dB Function:Vehicle Vibration Alarm Wireless range:30-60m Indicators:LED light Alarm battery:2xAA alkaline batteries(Not included batteries) Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Black Material:plastic Package Contents: 1 * Host 1 * magnetic stripe 1 * Remote control 1 * English instruction manual