Ajax KIT2 S Hub 2 Wireless Intruder Alarm Kit, 2x MotionProtect S, DoorProtect S, HomeSiren & StreetSiren, 2x SpaceControl (90764.243.BL1)

Ajax KIT2 S (90764.243.BL1)is a complete wireless intruder alarm kit designed to protect small homes and small commercial premises with a modern, resilient approach to security. The bundle includes indoor and outdoor audible deterrents plus remote control keyfobs and motion and door sensors to provide a ready-to-deploy security solution.

Key features at a glance

• Comprehensive device set:2 × MotionProtect S, 1 × DoorProtect S, HomeSiren S (indoor) and StreetSiren (outdoor), plus 2 SpaceControl keyfobs.
• Encrypted radio links:Jeweller two‑way radio for reliable, low‑latency signalling; Wings support for photo verification if paired with MotionCam detectors.
• Immediate deterrence and remote alerts:Local sirens and cloud/app notifications ensure both neighbours and monitoring services can respond.

Detailed specifications and benefits

• Dimensions:163 × 163 × 36 mm
• Weight:362 g
• Power input:110–240 V AC
• Backup battery:Built-in Li-ion 2 Ah, up to 15 hours
• Device capacity:Up to 100 devices, 50 users, 50 rooms
• Radio (Jeweller):Up to 2,000 m (open space) — long-range connectivity to wireless sensors
• Radio (Wings):Up to 1,700 m (open space) — used for photo verification devices
• Ethernet:100 Mbps

• Motion detectors:2 × MotionProtect S (PIR motion detectors) — reliable motion sensing for indoor areas
• Door detector:1 × DoorProtect S (opening/contact) — discreet protection for entry points
• Keyfobs:2 × SpaceControl 4‑button remote keyfobs for arming, disarming and panic alerts
• Indoor siren:HomeSiren S — loud local alarm to warn occupants and neighbours
• Outdoor siren:StreetSiren — weatherproof exterior deterrent to draw attention and deter intruders

• Notifications:Push, SMS and calls via Ajax Cloud and mobile apps for instant awareness
• Monitoring protocols:SIA (DC‑09), Contact ID, ADEMCO 685 for professional alarm receiving centres

• Strong deterrence:The combination of indoor and outdoor sirens provides audible deterrence both inside and outside the property.
• Encrypted communications:Jeweller two‑way radio provides secure, low-latency signalling between devices and the hub to reduce false alarms and tampering risks.
• Ease of use:SpaceControl keyfobs and the Ajax mobile apps make arming, disarming and managing the system straightforward for non-technical users.

Use cases and scenarios where the Ajax KIT2 S excels

The Ajax KIT2 S is tailored to environments that need dependable security without complicated wiring or costly installation. Typical scenarios include:

• Small family homes:Quick DIY installation, reliable notifications for homeowners, and strong local deterrence with both indoor and outdoor sirens.
• Small commercial premises:Retail stores, boutiques, small offices and warehouses that require professional monitoring compatibility and a resilient communications setup to reduce downtime.
• Landlords and multi-occupancy properties:Centralised control with multiple users and rooms, and the ability to expand the system as tenants change or coverage needs evolve.
• Temporary or rapid-deployment needs:Tradespeople, pop-up shops or event spaces that need fast, temporary security with professional-grade alarm signalling.

How Ajax KIT2 S compares with similar products on the market

When comparing the Ajax KIT2 S to other contemporary alarm kits, several strengths and trade-offs become clear. Many mainstream DIY alarm systems focus on ease of use and basic app notifications, while higher-end professional systems rely on hardwired connections and professional installers. Ajax sits in a hybrid space offering professional-grade features with an accessible setup.

• Professional monitoring support:Native support for SIA, Contact ID and ADEMCO 685 makes integration with alarm receiving centres straightforward.
• Outdoor siren included:Many kits either ship with indoor sirens only or require separate purchases for outdoor deterrence; StreetSiren in this package improves value for premises needing external coverage.

• No photo verification in included sensors:Photo verification is a valuable feature available on Ajax when using MotionCam detectors; the MotionProtect S units in this kit do not include cameras, so photo verification would require additional sensors.
• Installation:While the kit is suitable for DIY setups, commercial or monitored installations may benefit from professional installation to ensure coverage and compliance with monitoring standards.

Conclusion: Why the Ajax KIT2 S is a strong choice

If photo verification is an important requirement, consider adding MotionCam detectors to the system. For monitored commercial environments, professional installation and configuration will ensure the system meets local monitoring and safety standards.

Overall, Ajax KIT2 S is a versatile kit that provides a strong security foundation with clear upgrade paths, making it a practical choice for anyone looking to invest in a reliable wireless intruder alarm system.