Paperless Recording HD-Lite Echosounder GPS Survey Instrument. Comprehensive Warranty Coverage: 1-year warranty for instruments and 6-month warranty for accessories. Advanced Data Storage: 32GB internal storage expandable up to 80GB with 2GB RAM. Fast Response Support: All inquiries are replied within 12 hours. Professional Training Service: Instrument technology training provided to ensure proper usage. Strict Quality Control: Pre-production samples and final inspections conducted before shipment. Flexible Payment Options: Accepts T/T, Credit Card, Western Union, LC, and Trade Assurance. Global Shipping Terms: Accepts FOB, CFR, CIF, CIP, FCA, and Express Delivery terms.