NAVKAR SYSTEMS Wireless Door Window Open Alert Home Security System Siren/Alarm, Standard Size, White - Set of 4 Nos Sensors

Set includes 4 sensors to monitor multiple entry points simultaneously. Wireless design for easy and hassle-free installation. Triggers a siren or alarm when a door or window is opened, alerting you to potential intrusions. Standard size and white color blend seamlessly with home décor. Provides peace of mind by helping to keep your property and loved ones safe whether you're at home or away.