Connect all existing fire and carbon monoxide alarm devices in your residence together with the KA300 alarm monitoring system. Cover a broad area while being able to display up to three alarm channels. Using a bright 177mCd strobe light 95dB loud alarm and a powerful bed shaker the KA300 system becomes the best choice for monitoring a building's alarm system (approx. 100 foot range). The KA300 is a flexible alarm monitoring system designed for a small to large scale building. Battery backup keeps the system working even in a power blackout (vibrator and audible alarm only - strobe on KA300RX Alarm Monitor does not work with battery power). Easy to setup the system comes ready to install in a small residential dormitory apartment motel and hotel. Features: 3 receiver memories 3 display channels Alert by strobe or strobe/audible alarm Time-Condition signal process to prevent "nuisance" alarms 1024 transmitter code combinations 95dB alarm 177mCd strobe light Carrying case FCC CSA approved UL listed Item Weight - 5 lbs. Includes KA300RX Alarm Monitor KBS300RX Bed Shaker Receiver KA300TX Transmitter AC adapters 9V alkaline battery 9V rechargeable battery Carrying case