GolfzonDeca Inc., formerly Deca System Inc., is a Korea-based company mainly engaged in the production and sale of golf range finders. The Company is involved in the manufacturing and sale of the hand held type and voice type portable golf range finders under the name of GolfBuddy. The hand held type range finders are range finders operated by hands. In addition, the hand held type range finders include laser products, watch products, and band products. The main hand held type range finders include Pro, Tour, World. The voice type range finders are range finders based on voice. The main voice type products are VOICE+. The Company distributes its products within the domestic market and to overseas markets, including America, Europe, Asia and Australia.