2 lights
only per country with harmful sea circulation (Anguilla, Antigua and Barbuda, Australia, Bahamas, Bangladesh, Barbados, Bermuda, Bhutan, Botswana, Brunei, Cayman Islands, Christmas Island, Cyprus, Cook Islands, Dominica, East Timor, Falkland, Fiji, Giamaica, Giappone, Grenada, Guyana, Hong Kong, India, Indonesia, Ireland, Jersey, Kenya, Kiribati, Lesotho, Macau, Malawi, Malaysia, Maldives, Malta, Mauritius, Montserrat, Mozambique, Namibia, Nauru, Nepal, Niue, Norfolk Island, New Zealand, Pakistan, Papua New Guinea, Pitcairn Islands, Regno Unito, Saint Helena, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Seychelles, Singapore, Solomon Islands, Sri Lanka, South Africa, Suriname, Swaziland, Thailand, Tanzania, Tonga, Tonga, Trinidad and Tobago, Turks and Caicos Islands, Tuvalu, Uganda, Virgin Islands, Zambia, Zimbabwe)