ELK ELK Products ELK-6050 Two-Way Wireless Smoke Detector

Protect Your Home from Fire with this Wireless Smoke Detector: Compatible with ELK Two-Way Wireless Transceiver; Ability to activate all enrolled ELK Wireless Smoke Detectors; Built-in siren to alert all in case of fire; Photoelectric Smoke Detection; Rapid “rate-of-rise” temperature detection