Securing two zones at once it has a normal PTZ lens, and the Ranger Dual has a fixed lens on the bottom that allows you to monitor two areas at once. Ranger Dual offers three + three MP lens combination options, so you can choose the most suitable and cost-effective combination for your security needs. Ranger Dual can adjust different night vision modes according to your needs, whether you want the night vision to remain in full colour all the time or want to turn on full colour only when there is an event to save energy, it can always satisfy you.