Alarms & Detection

Find alarms and detection equipment for NZ homes, workplaces and property entrances at Tech Supply Shed. Browse wired and wireless alarm systems, driveway alerts, fire and smoke detection, security lighting, personal protection devices and sealed lead acid batteries. Compare options from brands including Dahua, Nextech, Swann and Ritar to match the role each part needs to perform.

Browse by Category

Explore security alarms, motion detection and backup power by category, then check individual product specifications for installation requirements and system compatibility.

Alarm Systems - Wired & Wireless Compare alarm equipment for compatible home and workplace security setups.	Driveway & Perimeter Alerts Explore alert equipment for driveways, entrances and selected perimeter locations.
Fire & Smoke Detection Compare smoke and heat detection options for the intended installation.	Motion Sensors & Security Lighting Browse movement detection and lighting options for suitable installation locations.
Personal Protection Explore portable personal alarm devices and compare their operating features.	Sealed Lead Acid Batteries Match backup batteries by voltage, capacity, dimensions and terminal arrangement.
Wireless Alarms Compare wireless alarm components and check supported hubs and accessories.

Top Brands in Alarms & Detection

Our active alarms and detection collection includes the following brands. Compare the individual listing rather than assuming that products from different brands or ranges work together.

Amp-Tech: Explore Amp-Tech options within the collection. Match the listed electrical specifications and installation requirements to your equipment.

Dahua: Compare Dahua products for your security setup. Check supported components and any hub requirements before combining devices.

Digitech: Browse Digitech products and accessories within the range. Confirm the intended function and compatibility on the individual listing.

Digitus: Explore Digitus options within this collection. Check equipment compatibility and the supplied specifications before ordering.

EUFY: Compare EUFY products for your chosen setup. Review the listing for supported functions, power requirements and compatible equipment.

HKT: Browse HKT products when comparing the available options. Check installation details and the intended application before choosing.

Nextech: Explore Nextech options for your detection and alert requirements. Compare the stated operating features and installation conditions.

Powerpac: Browse Powerpac products for compatible backup power applications. Match voltage, capacity, case dimensions and terminals to the equipment requirements.

Powertech: Compare Powertech options within the collection. Check charging requirements and electrical specifications for the selected product.

Ritar: Explore Ritar battery options for compatible systems. Confirm the required voltage, capacity, terminal arrangement and charging profile.

Russound: Browse Russound products represented in the range. Check their documented role and connections before adding them to a system.

Swann: Compare Swann products for your security requirements. Review each listing for supported functions and installation suitability.

Techview: Explore Techview products within the collection. Match the listed features and connections to your planned setup.

Ubiquiti: Browse Ubiquiti options for compatible installations. Confirm system requirements and supported components before ordering.

Why Shop Alarms & Detection at Tech Supply Shed NZ?

Tech Supply Shed brings detection devices, alert equipment, security lighting and backup batteries together in one NZ-focused range. Start with the job you need each component to perform, then compare its installation location, power supply and compatibility with existing equipment. For replacement batteries, check the full specification rather than choosing by appearance or capacity alone.

Explore the wider Security & Surveillance range to plan related equipment. Browse Cameras & Surveillance for visual monitoring, or compare Access Control & Locks for managing entrances.