Features1. The screen is flipped;2. Acceleration high and low frequency switching measurement;3. High frequency (1KHz~10KHz) low frequency (20Hz~1KHz)4. Curve display;5. File save view;6. Power display;7. Double measurement button;8. Flashlight;9. Screen brightness;10. Chinese and English choices;11. Set the shutdown time;12. Machine grade;Specification: Package Weight One Package Weight 0.71kgs / 1.56lb One Package Size 27.5cm * 19.7cm * 6.7cm / 10.83inch * 7.76inch * 2.64inch Qty per Carton 20 Carton Weight 14.50kgs / 31.97lb Carton Size 58cm * 40cm * 35cm / 22.83inch * 15.75inch * 13.78inch Loading Container 20GP: 328 cartons * 20 pcs = 6560 pcs40HQ: 762 cartons * 20 pcs = 15240 pcs