Description We sincerely hope that all dear customers never use this siren. But in the event of an emergency, we hope this little alert will remove the danger to you or your family. 130db Emergency Help: The Inateck PA1001 Personal Siren can emit a super loud 130db sound to let people know you have a safety issue so they can come to your aid. The sound can last for over an hour. USB Rechargeable: The personal alarm clock can be recharged by the included USB cable, absolutely convenient and reusable. Two ways to sound: You can quickly press the alarm button twice or pull the ring on the top to sound a 130 decibel alarm. When you are out of danger, the sound can be stopped. Low battery reminder: When the battery level is below 20%, the LED at the bottom of the screen will switch to breathing mode. You can judge the battery level of the alarm by the way the LED flashes, and charge it in time. Package Included: 1 * Alarm Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)