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Defender Sentinel 4K Ultra HD Wired 8 Channel PoE NVR Security System, 4 Metal Cameras & 1TB HDD
Article #332084750
Model #NS8B4A-1T
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$145
until Apr 22nd, 2026
479
.
99
$624.99
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$145
until Apr 22nd, 2026
This item is not currently available for immediate purchase, but can be ordered by visiting the selected store.
Most orders will ship next business day. Some orders may take up to 7-14 days (where inventory is not available in store). Delivery time may vary due to factors beyond our control. You will receive an email when your order has shipped. See all details.
Gift cards are delivered 2 to 5 days following the confirmation of your order in major urban areas and within 7 business days for remote locations. Gift Cards can be delivered across Canada, except the Yukon, Nunavut, Northwest Territories and Northern Quebec. See all details.
Sold online only. Total price includes delivery without any additional fees. Delivery time may vary due to factors beyond the control of RONA. Some restrictions may apply for remote areas. Signature may be required. Deliveries are made to threshold or curbside only, subject to carrier discretion.
The earliest delivery date displayed is only an estimate. The actual delivery date may change based on availability of products, or due to other circumstances beyond our control. Appliance delivery date can be selected in the checkout. If there is no option to schedule your appliance delivery, our team will contact you to schedule a delivery within 24 hours. Learn More.
RONA's third-party partners handle all express deliveries. Only available for select in-store items in sufficient stock at the participating selected store. Delivery address must be within delivery zone of the selected participating store. Weight limit of 1,475 Kg (3,250 lbs) per order. Not available on national/provincial holidays. Service may not be available due notably high in-store traffic, bad weather conditions or any other situation affecting the availability of the service. See all details.
Our expert center will contact you to schedule a delivery within 24 hours. The delay for delivery is an estimate and may vary according to the availability of products, or due to other circumstances beyond our control. Delivery prices only include curbside delivery, except for appliances. Delivery service is only available within a 50 km radius from the selected store (75 km for RONA+ stores). Additional charges may apply for installation. We will not leave deliveries at an unattended site – note that additional delivery charges may apply for subsequent delivery attempts. See all details.
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Warranty
1-year
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Description
Experience the gold standard in home security with the Sentinel 4K NVR Security System. This state-of-the-art home security system integrates seamlessly into your home, providing round-the-clock 4K quality surveillance with a simple DIY Setup. The next generation of SMART AI-Powered human detection uses an intelligent detection algorithm with instant mobile notifications. Advanced deterrence features include blue-red light, and a powerful LED spotlight. Enjoy sharp audio recording, and vibrant color night vision on your durable, metal weatherproof security cameras. No monthly fees required with the top-rated Empower Mobile app. ONLY compatible with Defender Empower app. Can not be used with other Defender apps.
- AI-powered smart human detection enables Sentinel to identify human movement and alert you instantly, reducing false alarms while protecting your property
- Flashing blue-red light deterrence activates instantly with high-intensity flashing lights and a powerful LED spotlight to discourage criminal activity
- 4K ClearVu™ with AI smart encoding captures ultra HD footage with lifelike clarity, revealing fine details like faces and license plates while optimizing storage
- Vibrant color night vision transforms pitch darkness into vivid color using laser-sharp image enhancement and spotlight illumination from up to 100 ft away
- Premium quality DIY setup includes a professional-grade metal-encased NVR and IP66-rated cameras built to withstand extreme weather conditions
- No monthly fees and limitless recording give you full control through mobile and web-based viewing
- Expandable local storage uses SecureGuard™ technology and bank-level encryption to protect your footage
Product specifications
Indoor/Outdoor
Indoor or outdoor
Country of Origin
China
Motion Sensor
No
Base Warranty Parts(Months)
12
Warranty
1-year
Motion Detections
Yes
Audio Detection
No
Audio Microphone
Yes
Audio Speaker
No
Connectivity
Wired
External Memory
No external memory
Facial Recognition
No
Hub Required
No
Image Encryption
Yes
Image Type
Color
Image Zoom
Yes
Installation Required
Yes
Internal Memory
1TB hard drive
Monitor Size
Not included
Night Vision Capable
Yes
Night Vision Range
Up to 100-ft
Number of Cameras Included
4
Output to Computer
No
Output to DVR
Yes
Output to Mobile
Yes
Output to TV
Yes
Record Capable
Yes
Refurbished
No
Technology
Digital
Total Cameras Supported
8
Touchscreen Monitor
No
Two-way Communication
No
Use Location
Indoor/Outdoor
Used For
Security camera
Video Camera Resolution
4K
Video Output
Television
Viewing Modes
Manual and simultaneous
Wall Mount Included
Yes
Works with Apple HomeKit
No
Works with Android
Yes
Works with Nest
No
Power Source
Hardwired
Works with SmartThings
No
Color/Finish Family
White
Type
Bullet
Works with iOS
Yes
Bluetooth Compatibility
No
Series Name
Sentinel AI
App Compatibility
Yes
Voice Controlled
No
Wi-Fi Compatibility
No
Works with Amazon Alexa
No
Works with the Google Assistant
No