Features 2 Measurement Modes: This land meter supports two modes, area measurement (ordinary area, length and width area) and distance measurement (ordinary distance), with high accuracy and less interference High Performance: The land surveying instrument adopts high sensitivity GNSS receiver chip, passive large size planar antenna, and high performance system, ensuring strong signa.l and global coverage Sturdy and Practical: This handheld land meter adopts a three proof process, water proof, dust proof, and drop proof, making it suitable for various agricultural environments and providing lasting performance Multiple Functions: This land tester supports height measurement and recording, with unit settings, time display, area and distance data statistics, historical records, voice broadcasting, and other functions User Friendly: The land meter adopts a 2.4 inch large screen with black and white display, which is clear and readable under sunlight; English voice broadcast, high volume prompt; Large buttons, easy to operate Specification: Item Type: Land Survey Meter Model: S1 Locating Accuracy: Approx. 2.5m / 8.2ft Receiver Chip: High Sensitivity GNSS Receiver Chip Receiver Antenna: Passive Large Size Planar Antenna Efficient Start: Hot Start 1 Second, Cold Start 30 Seconds Area Accuracy: ±0.005acres (0.16-0.5acres), ±1% (Over 0.5acres) (When HDOP Distance Accuracy: ±1 Meter (Within 100 Meters When HDOP Function Features: Latitude Display, Altitude Display, Area Measurement, Distance Measurement, Land Price Calculation Data Statistics: Area Statistics, Distance Statistics Area Record: 99 (S1) Distance Record: 99 (S1) Trajectory Display: Real time trajectory display during measurement, also viewable in statistical records HDOP Setting: Custom HDOP Setting Screen Display: Black and White Screen (2.4 Inch) Audio Alert: Voice Broadcast Operating Temperature: -20℃-70℃ Storage Temperature: -30℃-80℃ Data Interface: USB Interface, for Charging Battery: 1 x 3.7V Lithium Ion Battery 1800mAh (Built in) Size: Approx. 61 x 117 x 20mm / 2.4 x 4.6 x 0.8in packing list: 1 x Land Survey Meter 1 x User Manual 1 x USB Cable 1 x Lanyard Package List 1 x Land Survey Meter 1 x User Manual 1 x USB Cable 1 x Lanyard