Linkstyle Smart WiFi Smoke Detector AlarmThis smart smoke alarm detects both smoke and abnormally high temperature, sending notifications to your phone via the Linkstyle app to warn you wherever you may be. Requires Smart Security Gateway Features Tamperproof: Anti tampering alarm warns you of unintentional removal Early Detection: Pyramid labyrinth design improves sensitivity, enabling detection with fewer smoke particles to let you know before the smoke gets out of hand Red Dot Award