High Decibel: 120dB wireless outdoor siren sound, loud enough to scare away intruders and alert you to strangers entering your home. Features a flashing light for visibility in the dark and to notify neighbors. Home Alarm System: Requires a home alarm system to function. Offers wireless control for easy use and reliable security. High Precision: Utilizes micro-electronic control circuits for enhanced precision and reliability, improving response sensitivity. Instant Notification: Receive immediate alerts when an intrusion occurs, as the alarm system sends RF signals and emits a loud decibel sound. Blocks Intruders: Designed to deter and block unauthorized entry. Easy to Install: Flexible and convenient installation process, reducing complexity. Compact and portable for easy carrying. Applicable to: Widely used in shopping malls, warehouses, offices, and homes, making it an ideal choice for home and office security. Satisfaction: Your satisfaction is our priority. If you encounter any issues after receiving the product, please contact the seller immediately for assistance.