1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing Maximum Link Number: 20 Wireless Smoke Detector RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in...

1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing Maximum Link Number: 20 Wireless Smoke Detector RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in...

1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing EN14604 and CE approved Wireless Smoke Detector RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in...

1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing EN14604 and CE approved Wireless Smoke Detector RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in...

1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing EN14604 and CE approved Wireless Smoke Detector RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in...

1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing EN14604 and CE approved Wireless Smoke Detector RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in...

1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing EN14604 and CE approved Model Number: RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in free...

1: Photoelectric Sensor 2: 9V battery Supply 3: Flash alarm indicator (red) 4: Low battery warniing EN14604 and CE approved Model Number: RC421-WL Specification:* Power Supply: 9V DC Battery* Photoelectric Sensor* Radio Frequency: 433.92 MHz* Range: 50 meters (min) in free...

* 9VDC battery * Photoelectric Sensor * Test Button for monthly check * Low battery warning * Flash alarm indicator (red) Smoke Detector,9V Battery Operated Photoelectric Model: RCS423 Features:* Ceiling or wall mounting* Easy to install with mounting hardware included* 9VDC...

* 9VDC battery * Photoelectric Sensor * Test Button for monthly check * Low battery warning * Flash alarm indicator (red) Smoke Detector,9V Battery Operated Photoelectric Model: RCS423 Features:* Ceiling or wall mounting* Easy to install with mounting hardware included* 9VDC...