The cnzhihuizai Alarm Standalone Home Security System is a reliable choice for safeguarding your home with its wireless connectivity and instant alert features. With 10 sensors, a siren, alarm, and 4 remotes included, this system provides comprehensive coverage and protection. The battery included ensures continuous operation even during power outages, making it a convenient and effective option for home security. Made in China, this model is designed to give you peace of mind and deter potential theft.