Qolsys Residential Wireless Smoke Detector 319.5MHz | QS5110-840

The Qolsys Wireless Smoke Detector QS5110-840 - 319.5MHz is the perfect solution for keeping your home safe from fire hazards. Its "always on" technology ensures the sensor is monitored 24/7, whether your system is armed or not. The ultra-sensitive smoke sensor prevents false alarms while constantly monitoring for smoke. Additionally, the heat sensor detects the rapid rise in heat that comes from a fire, even when there is no smoke, like an electrical fire. The detector can be easily mounted on a wall or ceiling, and the battery lasts for 3-5 years.