BBB Business Review

DSC WS4933 Wireless CO Detector


Quick Overview

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DSC WS4933 Wireless CO Detector constantly tries to detect the colorless, tasteless, odorless but deadly, carbon monoxide (CO) that is impossible to detect without a warning device. The WS4933 provides front-line protection against the silent threat of carbon monoxide poisoning.

The DSC WS4933 has a slim line design with a built in 85dB alarm with electrochemical sensing technology. The WS4933 wireless CO has onboard LED indicators (Red=alarm, yellow=trouble, and Green=power. The WS4933 will transmit RF status, low battery, and tamper conditions.

This item is only compatible with the DSC Power Series panels that are version 4.5+.

The replacement batteries to use for this device are the CR123 lithium 3 volt battery

DSC WS4933 Installation manual
DSC WS4933 Specifications sheet


Ask a Question
  • I have a bunch of these detectors and their batteries all started to go at the same time, within a week of each other. Several have stickers that say replace by either August 2023 or September 2023. Does the whole unit need replacing, or just the battery?

    The whole unit. These are supposed to be replaced about every 5 years. You will need the installer programming code in order to replacement in the system.