If the alarm goes off (and it is not a burglary) and we are away on holiday, does the system have a maximum time period before it turns off?

You can adjust the time that the alarm sounds for when setting-up between 1 and 10 mins. Once this has elapsed I believe it resets but I think it will only do it a certain number of times before it switches off.

My door surface and frame surface are not aligned. Can I get spacers?

Without seeing the problem I suspect you could space either the magnet or the sensor to align them, I had a problem but could get around it by putting the sensor on the door and the magnet on the frame which is not usual. The sensor can also detect the magnet from a couple of centimetres which may also be of some help here. Apart from battery changes I have had no problems with them.

will they work outside say on a gate?

These door sensors dont have any weather seals or waterproofing so I wouldnt risk it.

Is this sensor z-wave / would it be compatible with non-Yale z-wave controllers?

No. This only work's with Yale alarm

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EF-DC Easy Fit Alarm Door/Window Contact, White, Accessory for SR & EF Alarms, for main access points

Product ID: 48520071

Details

Brand
Yale
Colour
White
Compatible devices
Smartphone
Item dimensions L x W x H
7.8 x 4.8 x
Power source
Battery

📱Smartphone app control

🔋Long-lasting lithium battery

🛠️DIY easy installation

R821

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Description

🔐 Stay connected, stay secure — smart home protection made effortless!

NO MONTHLY FEES - Enjoy direct alerts and self-monitoring with zero ongoing costs, keeping your security budget-friendly.
WIRELESS FREEDOM - No messy wires—quick, hassle-free installation with self-adhesive or screw-in options.
COMPACT LIGHTWEIGHT - Slim, unobtrusive design fits perfectly on main access points without disrupting your home’s aesthetic.
PET FRIENDLY SECURITY - Designed to avoid false alarms from pets, keeping your home protected without the hassle.
SEAMLESS SMART CONTROL - Arm and disarm your alarm remotely via the Yale Home app for ultimate convenience and peace of mind.

The Yale EF-DC Easy Fit Alarm Door/Window Contact is a compact, wireless sensor designed for main home access points. Compatible with Yale’s Smart Home Alarm systems (excluding Sync & HSA ranges), it offers smartphone app control, pet-friendly detection, and easy DIY installation. Powered by a long-lasting lithium battery and supplied with fixings, it delivers reliable, no-monthly-fee security alerts to keep your home safe and connected.

Specifications

ASIN	B00B9ESQS4
Alert Type	Entry
Antenna Location	[INF] Home security, monitoring main access points, and smart home integration
Assembly Instructions Description	Easy to install, suitable for DIY
Battery Cell Composition	Lithium Manganese Dioxide
Best Sellers Rank	25,681 in DIY & Tools ( See Top 100 in DIY & Tools ) 30 in Home Alarm Systems
Brand	Yale
Colour	White
Compatible Devices	Smartphone
Control Method	App
Country of Origin	United Kingdom
Customer Reviews	4.6 4.6 out of 5 stars (1,243)
Global Trade Identification Number	05010609312935
Included Components	1
Installation method	Self-Adhesive, Screw-In
Item Dimensions	7.8 x 4.8 x 3.4 centimetres
Item Type Name	Yale Alarms Easy Fit Door / Window Contact & Magnet
Item Weight	0.02 Kilograms
Manufacturer	Yale
Model Number	EF-DC
Network Connectivity Technology	Wireless
Part Number	EF-DC
Power source	Battery Powered
Sensor Technology	Contact and Motion
Unit Count	1.0 count

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R821

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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