1. Alloy materil in small size2. Anti-sliped top and base3. BNC connector,Website:http://www.cnyilongtattoo.com, tightly locked4. Separate structure for easy to carry when traveling5. Long connect line 2.5M1. Alloy materil in small size2. Anti-sliped top and base3. BNC connector, tightly locked4. Separate structure for easy to carry when traveling5. Long connect line 2.5M