ReviewsRated Home Surveillance Systems

Western Digital WD Purple Harddisk 3.5' 4TB SATA3 6Gb/s IntelliPower 5400RPM 64 MB HDD Surveillance WD40PURX

4TB Capacity, Intellipower 5400RPM Rotation Speed, 64MB Cache, 3 year limited warranty.
3.5" Internal Hard Drive, SATA III 6.0Gb/s, Lower Power & Heavy Duty 24/7(24 hour / 7 day).
For Surveillance, set-top boxes (PVR, DVR, NVR and IPTV), media servers and media centers..
Reduces video frame loss with surveillance-class storage. Specifically tuned for surveillance security systems..
Caching algorithms are tuned for write-intensive, low bit rate, high stream count applications that are typical of surveillance applications. Priority change for write allocations and preemptive caching policies..

4-pack of Energizer Ultimate Lithium AA batteries.
Energizer Ultimate Lithium is the #1 Longest-Lasting AA Battery.
Leak-proof construction protects the devices you love (based on standard use).
Powers your most critical devices - ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games.
Holds power up to 20 years in storage for trustworthy backup energy, so you’re always prepared.

Engineered specifically for surveillance security systems.
Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications.
Prioritized write-operations for maximized surveillance performance.

Supports up to 180TB/year workload rate. Engineered specifically for surveillance security systems. Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications. Prioritized write-operations for maximized surveillance performance..
WD Purple drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of enclosures and chipsets supported, you're sure to find a DVR or NVR configuration that's right for you..
Western Digital - WD 8TB Purple Surveillance Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, , 256MB Cache, 3.5", Crypto Chia Mining - WD82PURZ.

Made of flame retardant ABS housing material,high temperature resistant,not easy to deform..
Contact Type:NC(Normally Closed).Can be added to wireless home security systems such as video surveillance cameras..
Wire length:25cm/1".Sensitive response,accurate detection.Fine workmanship ensures its reliability..
Easy to install.This door contact can be used with access control or burglar alarm system..
Package Included: 2pcs Recessed Door Magnetic Switch..

2-pack of Energizer Ultimate Lithium 9V batteries.
Powers your most critical devices - ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games.
Holds power up to 10 years in storage for trustworthy backup energy, so you’re always prepared.
Performs in extreme temperatures, from -40F to 140° F, for year-round, indoor and outdoor use.

Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads.
Maximum 180TB/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems.
Rotational vibration (RV) sensors help maintain performance in RAID and multi-drive systems (4TB or higher).
Up to 10TB of capacity to store up to 10,000 hours of HD video.

Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads.
Maximum 180TB/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems.
Rotational vibration (RV) sensors help maintain performance in RAID and multi-drive systems (4TB or higher).
Up to 10TB of capacity to store up to 10,000 hours of HD video.

To be used with Passive Subwoofers only ,In Wall or In Ceiling Home Entertainment,Home Theater Systems,Industrial Sound Systems ,Multiple Room Systems.
Power Amplifier Output: 200 Watts, Low Bass Frequency Response of 50 – 200 Hz +/- 3dB.
Output Impedance: 4-8 ohm. CL3 Rated in wall certified raw speaker wire to connect your amp to the speaker.
LFE and RCA Inputs for use from a home audio receiver. Raw wire outputs..

1-pack of Energizer Ultimate Lithium [9V] batteries.
Powers your most critical devices—ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games.
Holds power up to 10 years in storage for trustworthy backup energy, so you’re always prepared.
Performs in extreme temperatures, from -40F to 140° F, for year-round, indoor and outdoor use.

8-pack of Energizer Ultimate Lithium AA batteries.
Energizer Ultimate Lithium is the Longest-Lasting AA Battery.
Leak-proof construction protects the devices you love (based on standard use).
Powers your most critical devices—Ideal for your smart home devices, outdoor surveillance systems, digital cameras, and handheld games.
Holds power up to 20 years in storage for trustworthy backup energy, so you’re always prepared.