Teltonika FMB204 is a SPECIAL waterproof (IP67) tracker with Bluetooth connectivity, internal high gain GNSS and GSM antennas and integrated high capacity backup battery. Device is designed to work longer without power supply. FMB204 with LiPo battery can work up to 6 days in power saving mode. FMB204 is perfectly suitable for agriculture, delivery, refrigerated transport, trailers tracking, security & emergency services and even more. 6-30V power supply makes FMB204 suitable for motorbikes and water transport.