LightInTheBox offers this Ouku 720P Megapixel Wireless Security Camera in Black or White for $23.99. Coupon code "OUKUIPC720P" drops it to $21.99. With $9.01 for shipping, that's the lowest total price we could find by $10. It features 1280x720 resolution, 802.11n wireless, 2-way audio, motion detection, will support an SD card up to 128GB, and is compatible with Android or iOS devices. Deal ends October 20.

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