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Domestic Smoke, Heat & CO Alarms

Manufacturer: Wisualarm by Dahua

WisuAlarm DHI-HY-SA40A-R8 | Wireless Interlinked Smoke Alarm | 10-Year Battery, Split-Spectrum Sensor

Wisualarm by Dahua

10-year sealed lithium battery — no wiring or battery replacements needed
Split-spectrum sensor for faster fire detection with fewer false alarms
Wirelessly interlinks with up to 24 devices for whole-property coverage

£20.92 (inc VAT: £25.10)

In Stock

SKU: DHI-HY-SA40A-R8

Large Property Fire Alarm Kit — Battery (Grade F1)

Wisualarm by Dahua

A complete, fully wireless battery-powered fire alarm kit for three-storey homes and larger properties.

£110.19 (inc VAT: £132.23)

In Stock

SKU: large-property-fire-alarm-kit-f1

Large Property Fire Alarm Kit — Mains (Grade D1)

Wisualarm by Dahua

A complete mains-powered fire alarm kit for three-storey homes and larger properties.

£123.75 (inc VAT: £148.50)

In Stock

SKU: large-property-fire-alarm-kit-d1

Large Property Fire Alarm Kit — Mains with Wireless Interlink (Grade D1)

Wisualarm by Dahua

A complete mains-powered fire alarm kit for three-storey homes and larger properties, with wireless interlink included.

£192.79 (inc VAT: £231.35)

In Stock

SKU: large-property-fire-alarm-kit-d1-wireless

Medium Property Fire Alarm Kit — Battery (Grade F1)

Wisualarm by Dahua

A complete, fully wireless battery-powered fire alarm kit for two-storey homes (typically 2–3 bedrooms).

£89.04 (inc VAT: £106.85)

In Stock

SKU: medium-property-fire-alarm-kit-f1

Medium Property Fire Alarm Kit — Mains (Grade D1)

Wisualarm by Dahua

Complete mains-powered Grade D1 fire alarm kit for medium-sized domestic properties, including two-storey homes. Includes interlinked smoke and heat alarms with sealed ten year battery backup, plus carbon monoxide protection as standard.

£97.40 (inc VAT: £116.88)

In Stock

SKU: medium-property-fire-alarm-kit-d1

Medium Property Fire Alarm Kit — Mains with Wireless Interlink (Grade D1)

Wisualarm by Dahua

A complete mains-powered fire alarm kit for two-storey homes (typically 2–3 bedrooms), with wireless interlink included.

£150.99 (inc VAT: £181.19)

In Stock

SKU: medium-property-fire-alarm-kit-d1-wireless

Small Property Fire Alarm Kit — Battery (Grade F1)

Wisualarm by Dahua

A complete, fully wireless battery-powered fire alarm kit for single-floor homes, flats and bungalows.

£67.89 (inc VAT: £81.47)

In Stock

SKU: small-property-fire-alarm-kit-f1

Small Property Fire Alarm Kit — Mains (Grade D1)

Wisualarm by Dahua

A complete mains-powered fire alarm kit for single-floor homes, flats and bungalows.

£71.05 (inc VAT: £85.26)

In Stock

SKU: small-property-fire-alarm-kit-d1

Small Property Fire Alarm Kit — Mains with Wireless Interlink (Grade D1)

Wisualarm by Dahua

A complete mains-powered fire alarm kit for single-floor homes, flats and bungalows, with wireless interlink included.

£109.19 (inc VAT: £131.03)

In Stock

SKU: small-property-fire-alarm-kit-d1-wireless

Wisualarm Mains Smoke Alarm with 9V Battery

Wisualarm by Dahua

Split-spectrum sensor technology
Built-in replaceable 9V battery back-up
Hardwire and wireless interconnection up to 24 units

£22.79 (inc VAT: £27.35)

In Stock

SKU: DHI-HY-SA5MB

Wisualarm Mains Heat Alarm with 9V Battery

Wisualarm by Dahua

Class A1 fire detection (54°C to 65°C)
Built-in replaceable 9V battery back-up
Hardwire and wireless interconnection up to 24 units

£22.79 (inc VAT: £27.35)

In Stock

SKU: DHI-HY-HT5MB

Wisualarm Mains Smoke Alarm with 10-Year Lithium Battery

Wisualarm by Dahua

Split-spectrum sensor technology
Built-in 10-year rechargeable lithium battery back-up
Hardwire and wireless interconnection up to 24 units

£26.35 (inc VAT: £31.62)

In Stock

SKU: DHI-HY-SA5MA

Wisualarm Mains Heat Alarm with 10-Year Lithium Battery

Wisualarm by Dahua

Class A1 fire detection from 54°C to 65°C
Built-in 10-year rechargeable lithium battery back-up
Hardwire and wireless interconnection up to 24 units

£26.35 (inc VAT: £31.62)

In Stock

SKU: DHI-HY-HT5MA

Wisualarm Wireless Interconnected Module

Wisualarm by Dahua

Compatible with Wisualarm mains powered alarms
Wireless interconnected with maximum of 24 WisuLink RF devices
RF mesh interconnected architecture

£15.45 (inc VAT: £18.54)

In Stock

SKU: DHI-HY-MRF50-R8

Wisualarm Standalone Smoke Alarm

Wisualarm by Dahua

Split-spectrum photoelectric sensor for fast and accurate smoke detection
10-year sealed lithium battery requiring no maintenance
85dB alarm output with test and silence functions in single button

£13.61 (inc VAT: £16.33)

Low Stock

SKU: DHI-HY-SA40A

Wisualarm Alarm Kit for the Deaf & Hard of Hearing

Wisualarm by Dahua

Light and vibration alarms designed for hearing impaired users
Wireless interconnection supports up to 24 Wisualarm devices
Dual power supply with rechargeable battery backup

£55.30 (inc VAT: £66.36)

In Stock

SKU: DHI-HY-KIT1-SLVP

Wisualarm Wireless Water Leak Detector

Wisualarm by Dahua

Real-time smartphone alerts
IP65 waterproof rating
Wall mount or free standing installation

This item is not available to purchase online.

In Stock

SKU: DHI-HY-WL13A-R8

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Wisualarm Hard Wired Interconnected Relay Module

Wisualarm by Dahua

Interconnects up to 24 mains powered alarm devices
9V rechargeable lithium battery backup
Volt-free alarm signal input and output contacts

£28.93 (inc VAT: £34.72)

In Stock

SKU: DHI-HY-MO3MH

Wisualarm Wireless Interconnected Alarm Control Unit

Wisualarm by Dahua

Controls up to 24 wireless interconnected alarms
10-year non-replaceable lithium battery
1000m radio signal range in open air

£34.03 (inc VAT: £40.84)

In Stock

SKU: DHI-HY-RC20A-R8

Wisualarm Wireless Interconnected Relay Module

Wisualarm by Dahua

Up to 24 device wireless interconnection
9V lithium battery backup
Volt-free relay outputs

£31.48 (inc VAT: £37.78)

In Stock

SKU: DHI-HY-MO5MA-R8

Wisualarm 10-Year Battery Heat Alarm with Wireless Interconnect

Wisualarm by Dahua

Class A1 fire detection (54°C to 65°C)
Wireless interconnected with up to 24 devices
10-year battery life

£21.15 (inc VAT: £25.38)

In Stock

SKU: DHI-HY-HT10A-R8

Wisualarm 10-Year Battery CO Alarm with Wireless Interconnect

Wisualarm by Dahua

High-performance electrochemical CO sensor
10-year battery life
Wireless interconnected with up to 24 devices

£25.59 (inc VAT: £30.71)

In Stock

SKU: DHI-HY-GC20D-R8

Wisualarm 10-Year Battery CO, Temperature & Humidity Alarm with Wireless Interconnect

Wisualarm by Dahua

High-performance electrochemical CO sensor
Long battery life of up to 10 years
Wireless interconnection with up to 24 devices

This item is not available to purchase online.

SKU: DHI-HY-GC30A-R8

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Domestic Smoke, Heat & CO Alarms

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WisuAlarm DHI-HY-SA40A-R8 | Wireless Interlinked Smoke Alarm | 10-Year Battery, Split-Spectrum Sensor

Large Property Fire Alarm Kit — Battery (Grade F1)

Large Property Fire Alarm Kit — Mains (Grade D1)

Large Property Fire Alarm Kit — Mains with Wireless Interlink (Grade D1)

Medium Property Fire Alarm Kit — Battery (Grade F1)

Medium Property Fire Alarm Kit — Mains (Grade D1)

Medium Property Fire Alarm Kit — Mains with Wireless Interlink (Grade D1)

Small Property Fire Alarm Kit — Battery (Grade F1)

Small Property Fire Alarm Kit — Mains (Grade D1)

Small Property Fire Alarm Kit — Mains with Wireless Interlink (Grade D1)

Wisualarm Mains Smoke Alarm with 9V Battery

Wisualarm Mains Heat Alarm with 9V Battery

Wisualarm Mains Smoke Alarm with 10-Year Lithium Battery

Wisualarm Mains Heat Alarm with 10-Year Lithium Battery

Wisualarm Wireless Interconnected Module

Wisualarm Standalone Smoke Alarm

Wisualarm Alarm Kit for the Deaf & Hard of Hearing

Wisualarm Wireless Water Leak Detector

Wisualarm Hard Wired Interconnected Relay Module

Wisualarm Wireless Interconnected Alarm Control Unit

Wisualarm Wireless Interconnected Relay Module

Wisualarm 10-Year Battery Heat Alarm with Wireless Interconnect

Wisualarm 10-Year Battery CO Alarm with Wireless Interconnect

Wisualarm 10-Year Battery CO, Temperature & Humidity Alarm with Wireless Interconnect