PVS-31 / BNVD / ANVIS 4 Cell Remote Cold Weather Battery Pack with IR Strobe Color:Black Comes with both standard headband

Comes with both standard headband and helmet rail adapter headbands fro direct attachment to helmet

NATO standard BNVD / Fisher 4-pin power outlet

Attaches to any standard helmet accessory rail

Dual Universal Hirose 6-pin connectors on opposite end

PVS-31 / BNVD / ANVIS 4 Cell Remote Cold Weather Battery Pack with IR Strobe Color:Black Comes with both standard headbandFiber reinforced polymer composite Weatherproof o ring sealed battery compartment Holds 4 AA Cell Batteries NATO standard BNVD Fisher 4 pin power outlet Includes your choice of power cable (straight BNVD Fisher to LEMO ANVS, right angle BNVD Fisher to LEMO ANVS, or BNVD to BNVD for use with PVS 31, etc.)