40XG covers Covers Volga river from Nizhny to south side up to Balakovo. Kama river from Kazan to north side up to Solikamsk and Belaya river from Agidel to Ufa. It gives you max detailed charts for cruising, fishing and sailing. Covers marine areas inshore through offshore. Nautical Charts, SonarCharts, Community Edits and Daily Updates for one year included.