Zoomable Focus FeatureYou can zoom in or zoom out the picture or video to inspect some dark areas more clearly and accurately, you just need to press the + or - button to adjust it, which has 3 enlarged and narrow modes.
Wide Compatibility & Real-Time WiFi Transmission Compatible with most smartphones and tablets, including iOS 9.0 + and Android 7.0 + devices. Easily connects via WiFi to display real-time images on the app screen. (Note: Not compatible with Windows PC or Mac. Camera and cable are IP67 waterproof, but the WiFi box is notrecommended underwater use time is under 10 minutes. )