Thermal Clip - On Scope (Adapter to be added separately) Specifications : - 640 x 512 Resolution - 2600m Detection Range - Built in Range Finder up to 1000m - NETD value of less than 15mK - Shutterless Image System - Multiple Colour Pallets - Records Photos, Videos & Sound - Mobile App Compatible (Connects 4 Phones) - Up to 6 hours battery life