To pick the right option, start with the installation location—indoor use is often simpler, while outdoor setups benefit from weatherproofing and higher durability. In this range you’ll find both 2MP and 3K resolutions, with 3.6 mm lenses that deliver broad views (around 80° to 112° depending on the model). For nighttime performance, ColorVu models provide color images with white illumination, ideal when lighting is available. If you need two‑way communication, choose units that include a built‑in microphone and speaker. Warranty is typically one year across most options.