Best Eufy Siren Deals Online in the UK (10 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
eufy Security

New
eufy Security Siren, 105 dB Wireless Alarm, IP65 Weatherproof, Remote Alerts, 2-Year Battery Life, HomeBase Required, Co
Scare off would-be intruders and alert the neighborhood with this wireless 105 dB indoor/outdoor siren.

£39.99
eufy Security

New
eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Li
2-year Battery Life: One battery provides 800 days of monitoring.

£19.99
eufy Security

eufy Security Home Alarm System Motion Sensor, 100° Coverage, 30 ft Detection Range, 2-Year Battery Life, Adjustable Sen
Protection That Lasts: The included battery provides up to 2 years of power for round-the-clock security.
Best Value
eufy Security

New
eufy Key Fob E10, Quick Arm and Disarm, Weather Resistant and Durable, Long-Lasting Battery, Versatile Carrying Options,
𝐐𝐮𝐢𝐜𝐤 𝐀𝐫𝐦 𝐚𝐧𝐝 𝐃𝐢𝐬𝐚𝐫𝐦: Includes 4 modes-Home, Away, Disarm, and SOS-for easy arming and disarming

£24.99 £29.99
eufy Security

New
eufy Entry Sensor E20, Dual-Side Detection, Convenient Bypass Button, Extended Battery Life, Long Communication Range, R
𝐃𝐮𝐚𝐥-𝐒𝐢𝐝𝐞 𝐃𝐞𝐭𝐞𝐜𝐭𝐢𝐨𝐧: Supports both left and right-side installation for quick, error-free setup.

£29.99
eufy Security

New
eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compa
𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐍𝐨𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬*: Protect your home from leaks, water damage, and damage from freezing tempera

£29.99
eufy Security

New
eufy Motion Sensor E20, Pet-Friendly Detection to Reduce False Alarms, Extended 5-Year Battery Life, Easy and Versatile
𝐏𝐞𝐭-𝐅𝐫𝐢𝐞𝐧𝐝𝐥𝐲 𝐃𝐞𝐭𝐞𝐜𝐭𝐢𝐨𝐧 𝐭𝐨 𝐑𝐞𝐝𝐮𝐜𝐞 𝐅𝐚𝐥𝐬𝐞 𝐀𝐥𝐚𝐫𝐦𝐬: Differentiates between humans and

£34.99
25% Off
eufy Security

New
eufy Security Video Doorbell E340 Dual Cameras with Delivery Guard 2K FHD Wireless Doorbell Camera,Wired or Battery Powe
Dual Cameras, Double Security: Two cameras work together to deliver advanced viewing. The front-facing camera focuses on

£119.99 £159.99
eufy Security

New
eufy Security Video Doorbell Add-On Chime, Indoor Chime, Requires Video Doorbell E340/C31/C30, No-Delay Ring, Adjustable
𝐍𝐞𝐯𝐞𝐫 𝐌𝐢𝐬𝐬 𝐚 𝐕𝐢𝐬𝐢𝐭𝐨𝐫: Hear the chime throughout your home. Receive real-time notifications when someone

£35.99
12% Off
eufy Security

New
eufy Video Doorbell Camera Wireless C30 with Chime 2, Live Video Calls, 2K FHD, 10 Bell Sounds, Bluetooth Auto-Pairing,
𝐂𝐫𝐲𝐬𝐭𝐚𝐥-𝐂𝐥𝐞𝐚𝐫 𝐖𝐞𝐥𝐜𝐨𝐦𝐞 𝐢𝐧 𝟐𝐊 𝐅𝐇𝐃: Experience 2K FHD clarity for detailed and vivid visuals, ens

£78.99 £89.99

10 Eufy Siren deals are available from: Amazon stores, starting from £19.99.
The biggest discount we found is 25% on eufy Security Video Doorbell E340 Dual Cameras with Delivery Guard 2K FHD Wireless Doorbell Camera,Wired or Battery Powered,Colour Night Vision,AI Motion/Package Detection,No Monthly Fee, Built-in 8GB at Amazon.
The lowest price we found is £19.99 while the highest is £119.99.
Prices for the best Eufy Siren deals average at £46.10.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Eufy Siren.