by Silent Call

• Requires the use of one or more Silent Call receivers (see Related Products below)
• Hard-wires to the existing fire alarm panel to alert you of a building-wide alarm
• Sends a signal through walls and doors up to 80 feet in all directions
• May be used along with the Smoke Detector Transmitter
• Runs on either one 9 volt alkaline battery (included), or system power, depending on model
• 4" x 2.25" x .75"; Connector cord 17"
• Five year warranty