PVS-31 / BNVD / ANVIS 4 Cell Remote Cold Weather Battery Pack with IR Strobe Color:Black Designed to transmit voice based

Designed to transmit voice based off vibrations in the jaw and cheekbone

keeping the light directly against the rail leaves more room for hand stops

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

mounting a weapon light at an angle that keeps the tail switch within thumb reach

Attaches to any standard helmet accessory rail

PVS-31 / BNVD / ANVIS 4 Cell Remote Cold Weather Battery Pack with IR Strobe Color:Black Designed to transmit voice basedFiber 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.)