This Blink Outdoor (3rd Gen) is a wireless and waterproof camera that records in HD. It is made for the outdoors and it comes with motion and PIR activation to keep your home secure. The camera is compatible with Amazon Alexa and it is easy to use with its wireless connectivity. It measures H2.8 * L1.2 * W2.8 cm and can be powered by battery. We guarantee 100% satisfaction with this high quality Blink Outdoor camera. If you are not satisfied, you can simply contact our professional service team for a 30 Day Money-Back Guarantee.