What is the most expandable home security system?
| Product ⇅ | Price ⇅ | Monitoring Type ⇅ | Number of Sensors ⇅ | Wireless/Wired ⇅ | Smart Home Integration ⇅ | Self-Monitoring Option ⇅ | Contract Length (months) ⇅ | Equipment Purchase Option ⇅ |
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Abode Abode Iota All-in-One Security Kit
US
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£148.60 ≈ | Self-monitoring with optional professional monitoring | Includes 1 mini door/window sensor and 1 motion sensor built into hub | — | ✓ | ✓ | No contract | Purchase equipment outright |
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All-in-one hub with built-in 1080p camera, motion sensor, 93 dB siren, battery backup and smart-home hub functionality. Suited for renters or small homes who want a DIY system with optional professional monitoring and broad smart-home integrations.
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SimpliSafe SimpliSafe Home Security System (Expandable 12-piece to 36+ device setups)
US
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£186.69 ≈ | Professional and self-monitoring | 12 (expandable) | — | ✓ | ✓ | No long-term contract (cancel anytime) | Buy equipment outright |
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A wireless, DIY-expandable home security kit that starts as a 12-piece system and supports 36+ devices. It offers optional 24/7 professional monitoring plus a self-monitoring option, cellular backup, app control, and voice assistant integration, suited for renters and homeowners who want flexible, no-contract protection.
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Ring Ring Alarm Pro (2nd Generation)
US
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£283.76 ≈ | Professional or Self-monitoring (requires Ring Protect subscription for professional) | 14-piece kit includes eight contact sensors and two motion detectors (total sensors in kit: 14 pieces) | — | ✓ | ✓ | — | Purchase equipment outright (kit sold per retailer) |
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Ring Alarm Pro (2nd Gen) is a wireless home security kit that combines a Ring Alarm Pro base station with a built-in eero Wi‑Fi 6 router and 24/7 backup internet. It suits DIY installers who want integrated Wi‑Fi, app-based self-monitoring, and the option to add paid professional monitoring via Ring Protect.
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Vivint Vivint Smart Home System (Smart Hub with scalable sensors and cameras)
US
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£149.34 ≈ | Professional monitoring | — | — | ✓ | ✓ | 36 months (typical long-term contract option); month-to-month available when equipment purchased upfront | Purchase upfront or finance (financing available up to 60 months) |
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Vivint's Smart Hub is an integrated touchscreen control panel that connects Vivint cameras, sensors, locks, lights, and thermostats with built-in cellular backup and battery backup. It's aimed at homeowners who want professionally monitored, fully integrated smart-home security with professional installation and flexible purchase or financing options.
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ADT ADT Command Panel and Smart Home Packages (ADT Home Security expandable packages)
US
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— | Professional monitoring and self-monitoring (options depend on plan) | — | — | ✓ | ✓ | 36 months (professional monitoring typical contract) | Purchase (equipment purchase and financed options available) |
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ADT Command is a touchscreen control panel that integrates intrusion sensors, cameras and smart home devices and supports both professional monitoring and self-monitoring plans (ADT Blu). It suits users who want expandable, professionally monitored security with Google Nest and voice assistant integrations.
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Honeywell Honeywell Home ProSeries (Lyric Controller based expandable security platform)
US
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£298.69 ≈ | Professional monitoring and local control | Supports up to 128 wireless zones | — | ✓ | ✓ | — | Professional installation with equipment purchase through provider |
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ProSeries is a professionally installed, expandable security and smart-home platform based on the Lyric Controller that supports encrypted wireless sensors, Z-Wave automation and built‑in Amazon Alexa. It suits homeowners who want full professional monitoring with integrated smart-home control and optional DIY-like app access for self-monitoring.
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DSC DSC PowerSeries NEO (Scalable professional alarm control panels)
US
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£231.46 ≈ | Professional monitoring (central station) or local/self | Supports up to 128 zones (model dependent) | — | ✓ | ✓ | — | Purchase equipment outright |
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PowerSeries NEO is a scalable hybrid alarm platform (models from 16 to 128 zones) combining hardwired inputs with PowerG two-way wireless devices, strong encryption, and options for Alarm.com smart-home integration. Suited for residential to large commercial installations and for users who want dealer or self-monitoring with purchasable equipment.
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