Title says mains alarm. Does this actually work off the 240v mains domestic supply. There is nothing in the description that mentions transformer, ect

The product voltage is 230, it works perfectly well off 240 volt with no need for a transformer as you mention.

Hi. The title of the listing says the smoke alarm is the optical kind. The listing's description says it is the ionisation kind. What is the product?

The KF2 (which for your information is now the KF20 which is supplied) is an optical smoke alarm.I will amend the listing description.

Does this alarm come with a plug?

It comes with a connection plug to connect the direct mains supply to the alarm.

Does it fit the plates of Deta 1111 model?

No, you will need to change the mounting/base plate which is supplied with the alarm.

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Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up

Kidde Firex KF20 Optical Smoke Alarm - Mains Operated with Battery Back Up

Product ID: 53089982

Details

Alarm
Visual
Brand
Kidde
Colour
White
Global Trade Identification Number
Item weight
280 Grams
Manufacturer
Kidde

📡Photoelectric optical sensor

🔋Battery backup for power cuts

🔗Interlink up to 23 alarms

R1168

Duties & taxes included

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Stay ahead of danger with Kidde KF20 — your home's silent guardian! 🛡️

TAMPER PROOF DESIGN - Locking device keeps your safety system secure and intact
SMART SMOKE DETECTION - Photoelectric sensor reduces false alarms from steam or cooking
USER FRIENDLY CONTROL - Combined test/hush button for quick, easy management
SEAMLESS SAFETY NETWORK - Interlink up to 23 alarms for whole-home protection
UNINTERRUPTED VIGILANCE - Mains powered with battery backup ensures 24/7 reliability

The Kidde Firex KF20 is a mains-operated optical smoke alarm with a battery backup, designed for reliable detection of slow smouldering fires. It supports interlinking up to 23 alarms, features a photoelectric sensor to minimize false alarms, and includes a tamper-resistant locking device. Certified to BSi Kitemark standards, it meets the latest building regulations, ensuring trusted, continuous protection for modern homes.

Specifications

ASIN	B006J56XQU
Alarm	Visual
Best Sellers Rank	2,787 in DIY & Tools ( See Top 100 in DIY & Tools ) 14 in Smoke Alarms
Brand	Kidde
Colour	White
Customer Reviews	4.6 4.6 out of 5 stars (1,578)
Global Trade Identification Number	00020967049737
Item Part Number	KF2
Item Type Name	Mains Optical Smoke Alarm
Item Weight	280 Grams
Manufacturer	Kidde
Model Number	KF2
Part Number	KF2
Power source	Battery Powered
Product Style	Back Up
Sensor Type	Photoelectric
UPC	020967049737
Unit Count	1.0 count

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R1168

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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