This Defender PHOENIXM2 Digital Wireless Security System originally $175.98 drops to only $129.98 at Sam’s Club. You save 26% off the retail price for this security system. Plus, this item ships free. We found this at Amazon.com for the same price and elsewhere for $20 more. The Defender PHOENIXM2 Digital Wireless Security System features 2 cameras, 4 channels, 8GB hard drive, 2x optical zoom, night vision, and 7″ monitor. Sales tax is charged in most states. Deal expires January 12, 2020.