LICENSE FREE WALKIE TALKIE LICENSE FREE- NO ANNUAL CHARGES.ETA CERTIFICATE WITH EACH BOX.BATTERY CHARGING ON POWER BANK, WALL CHARGER, CAR CHARGER.NO BASE STATION.16 CHANNELS.MILITARY GRADE DESIGN & STRUCTURE.COMMUNICATION RANGE FROM 1.5KMS TO 6KMS.REMOVABLE /REPLACEABLE EXTERNAL BATTERIES & ANTENNA.NO LIMIT ON DEVICES TO CONNECT.BEING AUTHORISED SELLER, ALL SPARES/SERVICE AT SKYTRAK, PUNE.ONE YEAR WARRANTY.