Magendara via Amazon offers its Magendara Wireless 1080p Hidden Camera USB Wall Charger for $48.99. Coupon code "DKY4G9Z4" drops it to $38.99. With free shipping, that's a buck below our mention from a month ago, $21 off list, and the lowest price we've seen. It features a USB port, WiFi, and motion detection and supports up to a 128GB microSD memory card.