so this is not scotland compliant only compliant for england and wales? do not buy for scotland as you cannot use it

As the new Scottish legislation requires residents to have interlinked units, this one will not be compliant as it is standalone. Any unit from our FireAngel Pro range will be compliant though. Many Thanks Gemma

Hello, Can this be affixed to the ceiling using magnets or heavy duty velcro strips?

Yes I think you could use magnets or Velcro strips but i used small Rawl plugs into plaster board. Simples.

Can this be used to replace the discontinued model Deta 1151?

We used it to replace an expired and discontinued fire angel model in a caravan ,as we didn’t want more holes drilled in the ceiling. I am sorry I don’t know if it was originally a Deta 1151 but all we had to do was use the original base and screw the new top on. Hope it helps.

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FireAngel Optical Smoke Alarm - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White

Product ID: 419152260

Details

Alarm
Smoke Alarm
Brand
Fireangel
Colour
White
Item weight
138 Grams
Operating humidity
up to 90%
Power source
Battery

🔋10-year sealed battery life

🔥Fast optical smoke detection

🛠️Easy twist & lock installation

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$46.23

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚨 Stay ahead of danger with FireAngel’s decade of silent vigilance!

DECADE LONG POWER - Set-and-forget 10-year sealed lithium battery ensures uninterrupted protection.
FALSE ALARM RESISTANT - Advanced sensor technology minimizes nuisance alerts from cooking fumes.
EFFORTLESS INSTALLATION - Removable baseplate with twist-lock design for quick, hassle-free setup or replacement.
PRECISION OPTICAL SENSOR - Detects slow-burning fires with thick smoke before they escalate.
CERTIFIED SAFETY ASSURANCE - CE & UKCA marked, BS EN 14604:2005+AC:2008 certified with 5-year warranty for peace of mind.

The FireAngel FA6620 Optical Smoke Alarm combines cutting-edge photoelectric sensing technology with a 10-year sealed lithium battery, delivering reliable early fire detection with minimal false alarms. Designed for easy installation and certified to rigorous UK and European safety standards, it offers professional-grade protection tailored for modern homes and leisure vehicles, backed by a 5-year warranty.

Specifications

ASIN	B09V5C7GHF
Alarm	Smoke Alarm
Best Sellers Rank	104 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Smoke Alarms
Brand	Fireangel
Colour	White
Country of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (12,475)
EU Spare Part Availability Duration	10 Years
Included Components	1 x Baseplate, 1 x Instruction Manual, 1 x Optical Smoke Alarm complete with Sealed Lithium Battery
Item Dimensions D x W x H	3.2D x 11.8W x 11.8H centimetres
Item Type Name	Smoke Alarm
Item Weight	138 Grams
Manufacturer	FireAngel
Manufacturer Warranty Description	5 year manufacturer's warranty.
Material	Plastic
Model Number	FA6620-R
Number of Items	1
Operating Humidity	up to 90%
Part Number	FA6620-R
Power source	Battery Powered
Product Style	New Gen Single
Sensor Type	Photoelectric
UPC	816317006242
Unit Count	1.0 count
Upper Temperature Rating	38 Degrees Celsius

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