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  • Sensaphone 400 & 800 Basic Series — Specifications

    August 31, 2026 2 min read

    Specification sheet for the Sensaphone 400 & 800 Basic Series remote monitoring and alarm notification systems.

    Full text manual (for reference)

    Specification sheet for the Sensaphone 400 & 800 Basic Series — remote monitoring and alarm notification systems that watch for power failures, temperature, sound, and other conditions, and call to notify people by phone when an alarm triggers.

    Overview

    The Sensaphone 400 offers an easy, inexpensive way to monitor a remote facility, cabin, or vacation home. Installed in a clean indoor environment, it has built-in monitoring for power failures, temperature, and sound (audible alarms), plus four external inputs on the back for connecting sensors that detect temperature, water on the floor, humidity, intrusion, and more. When an alarm triggers, the 400 notifies up to four people via voice phone calls, continuing to call until someone responds. It includes nonvolatile memory and a 24-hour battery backup (user-installed batteries).

    The Sensaphone 800 has all the features of the 400, but with eight external input channels (instead of four) and can notify up to eight people (instead of four).

    No monthly fees for either model.

    Typical Applications

    • Home / vacation property monitoring
    • Agriculture (barns, greenhouses, livestock facilities)
    • Computer rooms / server closets
    • Small business and remote facility monitoring

    Feature Details

    Input Zones

    • Flexible inputs support Normally Open or Normally Closed contacts
    • Temperature sensor support: -20°F to 150°F
    • 4 channels on the Model 400, 8 channels on the Model 800
    • Automatic input type configuration
    • Programmable recognition times
    • Internal calibration

    Alarm Notification

    • 4 phone numbers on the Model 400, 8 on the Model 800
    • Makes voice phone calls with customized messages for easy identification
    • Built-in alarm test function to simulate and test the notification process
    • Includes telephone line seizure

    Voice Messages & Microphone

    • Built-in vocabulary for keypad programming and sensor readings
    • Record custom voice phrases (in your own voice) to describe each input zone
    • Record a site identification message
    • Internal microphone for custom voice message recording; can also monitor high sound alarms or be used for remote listen-in

    Output Relay

    • Low-voltage NO/NC output relay included
    • Manual or automatic alarm response switching
    • Built-in CottageSitter control: the relay can remotely change the temperature of a dual-setback thermostat (provide your own, or order the FGD-0064 thermostat from Sensaphone)

    Remote & Local Access

    • Call in with any touch-tone phone to check the status of all monitored conditions
    • Make programming changes remotely from any touch-tone phone
    • Remotely control the output relay
    • Local keypad and speaker for local programming, with easy voice-prompted programming
    • Password-protected to restrict programming access

    Compatibility

    • Sensaphone 400 is a direct replacement for the Model 1104 and CottageSitter
    • Sensaphone 800 is a direct replacement for the Model 1108

    Power

    • Comes with a plug-in power supply
    • 24-hour battery backup using 6 size-C alkaline batteries (not included)
    • Automatically monitors for power failure alarms
    • International power options available

    Ordering Information

    Part Number Description
    FGD-0400 Sensaphone 400
    FGD-0400-INT Sensaphone 400 w/ international power
    FGD-0800 Sensaphone 800
    FGD-0800-INT Sensaphone 800 w/ international power

    A full complement of sensors and accessories is also available.

    Manufacturer

    SENSAPHONE® — 901 Tryens Road, Aston, PA 19014. Phone: 610-558-2700. Fax: 610-558-0222. www.sensaphone.com