--- product_id: 222672878 title: "105dB Auxiliary Siren - Compatible with Gen 3 Home Security System" brand: "simplisafe" price: "£64.35" currency: GBP in_stock: true category: "Simpli Safe" url: https://www.desertcart.co.uk/products/222672878-105db-auxiliary-siren-compatible-with-gen-3-home-security-system store_origin: GB region: United Kingdom --- # seamless app integration 105dB piercing siren weather-resistant for sheltered outdoor use 105dB Auxiliary Siren - Compatible with Gen 3 Home Security System **Brand:** simplisafe **Price:** £64.35 **Availability:** ✅ In Stock ## Summary > 🚨 Don’t just secure your home—make sure everyone hears it! ## Quick Answers - **What is this?** 105dB Auxiliary Siren - Compatible with Gen 3 Home Security System by simplisafe - **How much does it cost?** £64.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/222672878-105db-auxiliary-siren-compatible-with-gen-3-home-security-system) ## Best For - simplisafe enthusiasts ## Why This Product - Trusted simplisafe brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Reliable Power:** Long-lasting alkaline batteries included for uninterrupted security. - • **Effortless Setup:** Peel, stick, or screw it in—plus, full control and testing via the SimpliSafe app. - • **Perfect Gen 3 Match:** Optimized compatibility with SimpliSafe Gen 3 systems for flawless integration. - • **Built for Any Weather:** Durable, weather-resistant design lets you protect both indoors and sheltered outdoor spaces. - • **Wake Everyone Instantly:** 105dB siren cuts through any noise, ensuring no one misses an alert. ## Overview The SimpliSafe 105dB Auxiliary Siren is a powerful, weather-resistant alarm designed to amplify your Gen 3 home security system. With a piercing 105-decibel sound, easy app-controlled setup, and versatile mounting options, it guarantees immediate alerts indoors and in sheltered outdoor areas. Battery-powered and reliable, it’s the essential upgrade for millennial professionals who demand peace of mind and proactive protection. ## Description desertcart.com : SimpliSafe 105dB Auxiliary Siren - Compatible with Gen 3 Home Security System : Electronics ## Features - Auxiliary siren - Scare off trouble and alert the neighborhood and emergency responders with this loud,105db indoor/outdoor siren. - Loud 105dB siren - Stop intruders in their tracks. - Weather-resistant design - In addition to indoor use, this extra siren is weatherized for installation in sheltered areas outdoors. - Simple set up - Peel and stick installation or can install using included hardware. Then follow the steps in the SimpliSafe App. - Long-lasting battery - Compatible with the SimpliSafe Gen 3 home security system ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08B3JFRHH | | Audible Noise | 105 Decibels | | Battery Description | Alkaline | | Best Sellers Rank | #95 in Home Security Systems | | Brand | SimpliSafe | | Built-In Media | Auxiliary siren, extra adhesives, screws | | Color | White | | Compatible Devices | Desktop, Laptop, Smartphone, Tablet | | Control Method | App | | Customer Reviews | 4.6 4.6 out of 5 stars (1,672) | | Item Dimensions L x W x H | 3.1"L x 1.13"W x 5"H | | Item Type Name | Auxiliary Siren | | Item Weight | 0.62 Pounds | | Manufacturer | SimpliSafe | | Manufacturer Warranty Description | 1 year manufacturer | | Maximum Range | 1000 Feet | | Mfr Part Number | AUS301 | | Model Number | AUS301 | | Mounting Type | Wall Mount | | Number of Batteries | 4 AA batteries required. (included) | | Power Source | Battery Powered | | UPC | 815017029681 | ## Product Details - **Brand:** SimpliSafe - **Color:** White - **Compatible Devices:** Desktop, Laptop, Smartphone, Tablet - **Power Source:** Battery Powered - **Product Dimensions:** 3.1"L x 1.13"W x 5"H ## Images ![105dB Auxiliary Siren - Compatible with Gen 3 Home Security System - Image 1](https://m.media-amazon.com/images/I/31rxI6AoLuL.jpg) ## Questions & Answers **Q: Will the panic button sound the siren if you are not hooked up to a service plan?** A: Yes it will. You do not need a service plan. **Q: will this siren work with the original simplisafe system?** A: This siren will not work with the original system. I just got off the phone with tech support and returning it now **Q: Compatible with your SimpliSafe home security system. (New generation) does this mean it is not back compatible with older systems?** A: That's right. The All New SimpliSafe uses a different method of wireless communication, so that we could add some important new features. Unfortunately, this means that components from the All New SimpliSafe are not compatible with the SimpliSafe Original. **Q: is the sound adjustable?** A: Yes, you can set the volume at which the siren will sound in the event of an alarm to Low, Medium, or High. ## Frequently Bought Together - SimpliSafe 105dB Auxiliary Siren - Compatible with Gen 3 Home Security System - SimpliSafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible with The SimpliSafe Home Security System - Latest Gen - SimpliSafe Entry Sensor (Pack of 4) - Window and Door Protection - Compatible with The SimpliSafe Home Security System - Latest Gen --- ## 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/222672878-105db-auxiliary-siren-compatible-with-gen-3-home-security-system](https://www.desertcart.co.uk/products/222672878-105db-auxiliary-siren-compatible-with-gen-3-home-security-system) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-23*