Full-Constellation, Fixed in Seconds: The E1 GNSS receiver delivers stable, high-precision positioning rapidly, even in challenging environments such as multipath areas, under tree canopies, or in urban canyons. Equipped with a powerful GNSS engine, it tracks all major satellite constellations, including GPS, BDS, GLONASS, Galileo, QZSS, IRNSS, and SBAS. Extended Operation & Rapid Charging: With an optimized internal battery design, the E1 provides over 20 hours of continuous operation on a single charge, with fast charging available via the Type-C port, ensuring uninterrupted work on-site. Advanced Tilt Measurement: Featuring a new generation IMU module, the E1 initializes in just 5 seconds and supports tilt measurements up to 60°, maintaining ±2.5cm accuracy across your tasks. Compact & Lightweight Design: The E1 is designed for ease of use, with a compact size (Φ133.5 mm × 67 mm) and a lightweight build (870g), making it portable without compromising on performance. Carbon Fiber Rover Rod - Enhanced Usability: This carbon fiber rover rod is designed for fast and easy setup, featuring a one-piece design with dual locking systems for versatile height adjustments (1.6m - 1.8m). Its high-quality construction ensures durability and precise leveling, with a built-in centering bubble and removable steel tip for easy maintenance. At only 70cm when unextended, it's highly portable and includes a carrying bag for added convenience. High Compatibility: Both the E1 GNSS receiver and the rover rod feature a 5/8" thread design, ensuring compatibility with mainstream GNSS RTK receivers, providing a seamless surveying experience.