FULLY FUNCTIONAL LIGHTS, INTERNAL BATTERY PACK HAS BEEN TESTED ,AND BUILT IN LIGHTS BLINK AND WORK PLEASE SEE ADDED VIDEO READY FOR ANY HOLIDAY GATHERING!  BATTERY PACK IS ACCESIBLE YOU CAN REPLACE THE BATTERY WITH THE POSITIVE + SIDE FACEING UP THE MODULE INSIDE THE SMALL INNER POUCH RUNS ON TWO CR2032 LITHIUM COIN BATTERIES,

WHEN STORING YOUR SWEATER AFTER HOLIDAYS OR USEAGE PLEASE ALWAYS REMOVE BATTERIES, 

**DO NOT SUBMERGE SHIRT IN WATER OR MACHINE WASH 

SPOT CLEAN DAMP CLOTH WITH SMALL DROP MILD DETERGENT DAB WIPE AWAY DIRT AVOID WATER ON ELECTRONICS ELIMINATE ODORS SPRAY FABRIC LIGHTLY FROM A DISTANCE WITH ODOR ELIMINATING SPRAY(FEBREZE) OR HANG OUTSIDE WELL VENTILATED AREA *AIR DRY NEVER PUT IN DRYER