Lorex Technology takes an extra 15% off sitewide, including sale items, via coupon code "SAVE15" during its Father's Day Sale. Plus, almost all orders receive free shipping. (Orders over $3.99 after coupon bag free shipping; otherwise, shipping starts at $10.40.) After coupon, that renders prices for 1080p security systems starting at $195.49, 2K security systems starting at $407.99, and 4K security systems starting at $997.49. Some exclusions may apply. Deal ends June 30.

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