I have a SETTALL Sync55X 384×288 specification with a recognition distance of up to 2500 meters, One-button photo and video capture, 64GB (supporting up to 256GB) 1024×768 ultra-high-resolution OLED eyepiece, 50Hz real-time imaging, 1-8x continuous electronic zoom, various color options, adjustable brightness, and gain. The price is only $1500