- Mains powered with rechargeable lithium back-up
- Easy to install with additional trunking knock outs easi-fit base footprint
- Connects wirelessly with all other Aico wireless interconnection products
Complete your fire, smoke, and carbon monoxide alarm network with our range of life-saving external devices.The Ei428 is a mains powered relay module that triggers external devices, such as a strobe light or telecare device, if the alarms in the property activate.
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