Wireless 433mhz Vibration Sensor Shock Detector For Home Security Alarm System. Introducing the SMARSECUR Wireless 433MHz Vibration Sensor Shock Detector, a Top-notch Addition to Your Alarm Security System. This Sensor is Designed to Detect Vibrations Effectively, Providing an Extra Layer of Security for Your Home or Business. Operating on a 433MHz Frequency, It Ensures Reliable Performance and Quick Response Times. Equipped with a CR2450 Battery, Which is Included, the Sensor is Ready for Immediate Use. With Certifications Like CE and RoHS, You Can Trust in Its Quality and Safety Standards. The Compact and Efficient Design Makes It a Perfect Fit for Any Smart Home Setup. Features: - Frequency: 433MHz for Reliable Performance - Battery: CR2450 (included) for Long-lasting Operation - Certification: CE, RoHS Certified for Quality Assurance - Design: Compact and Efficient - Included: 1 Vibration Sensor Enhance Your Security with the SMARSECUR Vibration Sensor and Enjoy Peace of Mind..