Vivitar 40.5mm Close Up Macro Lens Kit Sensei SUR-4852 It is 18" long and

It is 18" long and has a pair of 3-pin XLR female connectors at one end and a 5-pin XLR male connector at the other

Knurled center focusing knob

you can speak into the unit�s built-in microphone to communicate with any authorized personnel or potential intruders at the site where the speaker unit is installed

Package Included :

Suction Cup Camera Mount

Vivitar 40.5mm Close Up Macro Lens Kit Sensei SUR-4852 It is 18" long andDecreases Minimum Focusing Distance Includes +1, +2, +4, and +10 Strengths Provides Shorter Working Distance Combine Filters for Increased Effect 40. 5mm Front Filter Threads Includes Protective Filter Wallet A simple and convenient method for shortening your minimum focusing distance and minimum working distance, this Close Up Macro Lens Kit from Vivitar fits lenses with 40. 5mm filter threads, and enables you to photograph close up subjects more