That's $110 less than it costs for four cameras elsewhere. Buy Now at Rakuten Tips Sold by Altatac via Rakuten. Coupon code "ALT15A" bags this price. Features 1080p video resolution and 130° field of view 2-way audio adjustable motion detection with app notifications and night vision 802.11n wireless voice control via Amazon Alexa quick-release rechargeable battery pack Model: RING-8SC1S9-WEN0-4PK