--- product_id: 89672950 title: "KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug" brand: "kerui" price: "£9.20" currency: GBP in_stock: false reviews_count: 5 url: https://www.desertcart.co.uk/products/89672950-kerui-3m-long-5-5x2-1mm-dc-cable-extender-standalone store_origin: GB region: United Kingdom --- # Supports up to 5A power load 3m length for flexible setup 5.5x2.1mm standard DC connectors KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug **Brand:** kerui **Price:** £9.20 **Availability:** ❌ Out of Stock ## Summary > 🔒 Power up your security with seamless extension—never compromise on coverage! ## Quick Answers - **What is this?** KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug by kerui - **How much does it cost?** £9.20 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/89672950-kerui-3m-long-5-5x2-1mm-dc-cable-extender-standalone) ## Best For - kerui enthusiasts ## Why This Product - Trusted kerui brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Simplicity:** No wiring headaches—just connect and secure your system in seconds. - • **Universal Compatibility:** Fits KERUI sirens, CCTV cameras, and any 0-36V DC devices with 5.5x2.1mm jacks. - • **Durable & Reliable Build:** Tinned copper conductors and PVC insulation ensure long-lasting, stable power delivery. - • **Cascade for Custom Lengths:** Link multiple extenders to create the perfect cable length for any setup. - • **Extend Your Reach Effortlessly:** 3 meters of premium cable to power your security devices without compromise. ## Overview The KERUI 3m DC Cable Extender features a 5.5x2.1mm male-to-female connector, supports up to 5 amps of current, and is designed for easy plug-and-play extension of power to standalone sirens and CCTV cameras. Its durable tinned copper and PVC construction ensures reliable performance, while cascading capability allows flexible length customization. ## Description 100% brand new DC power adapter extension cableSPECIFICATIONS Cable Type: Extension Connector type: 2.1mm DC Socket to Plug Outside diameter: 5.5mm Inside diameter: 2.1mm Suitable for all DC voltages 0-36V Power capability: 5A (eg. approx. 50W@12v) Suitable for DC power supply, in Car/CCTV Equipment etc. Conductor Material: tinned copper Insulation Material: PVC Cable length: 3mKit Contents 1 x DC Cable Extender Review: Hand lead to have also fitted my cctv camera - Just right done the job if they give you more lead on the alarm I may not need this thank god they sell this item thanks Review: Easy to install very loud - I bought this alarm system for my shed and I must say it is very loud. Is just plug and play with no need for wiring ## Features - Cable Length: 3m (9.84ft) - Outer diameter: 5.5mm; Inner diameter: 2.1mm. Female to male connector. - Two or more 3m long extension cables can be cascaded together to meet the needs of 6m or longer. - Easy to use, Plug and Play. - Fits for KERUI Standalone Siren Alarm System and its power adapter. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07JKTG7RB | | Amperage Capacity | 5 Amps | | Batteries Required? | No | | Batteries included? | No | | Colour | Black | | Customer Reviews | 4.5 4.5 out of 5 stars (34) | | Date First Available | 11 Oct. 2018 | | Item Package Quantity | 1 | | Item Weight | 70 g | | Item model number | Security Alarm System Kit | | Manufacturer | KERUI | | Package Dimensions | 24.7 x 15 x 2 cm; 70 g | | Part number | AY50508B | | Power source type | Corded Electric | | Shape | Round | | Size | 3m Cable Extender | | Style | 3M Cable Extender | ## Product Details - **Brand:** KERUI - **Cable type:** DC - **Colour:** Black - **Compatible devices:** Security Camera - **Connector gender:** Male-to-Female ## Images ![KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug - Image 1](https://m.media-amazon.com/images/I/414zfLw9uTL.jpg) ![KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug - Image 2](https://m.media-amazon.com/images/I/418OOxW-znL.jpg) ![KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug - Image 3](https://m.media-amazon.com/images/I/41Qld5K86EL.jpg) ![KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug - Image 4](https://m.media-amazon.com/images/I/41mJvjGCe2L.jpg) ![KERUI 3m Long 5.5x2.1mm DC Cable Extender for Standalone Siren CCTV Security Camera Jack Adapter Power Cord Lead Male to Female Plug - Image 5](https://m.media-amazon.com/images/I/41wi3JvoM5L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Hand lead to have also fitted my cctv camera *by S***E on 25 November 2020* Just right done the job if they give you more lead on the alarm I may not need this thank god they sell this item thanks ### ⭐⭐⭐⭐⭐ Easy to install very loud *by D***S on 30 December 2019* I bought this alarm system for my shed and I must say it is very loud. Is just plug and play with no need for wiring ### ⭐⭐⭐⭐⭐ Done job *by J***Y on 25 September 2020* Needed an extension it's done it's meant for --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/89672950-kerui-3m-long-5-5x2-1mm-dc-cable-extender-standalone](https://www.desertcart.co.uk/products/89672950-kerui-3m-long-5-5x2-1mm-dc-cable-extender-standalone) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*