1. Material: ABS2. Measuring range: 0.5~19999RPM; 0.05~19999.9m/min; 0.2~6560Ft/min3. Resolution: 0.1RPM, 1RPM, 0.01m/min, 0.1m/min, 1Ft/min4. Large-screen LCD display, the value is more intuitive and accurate5. Sampling frequency: 0.8Sec6. Powered by 3 AA batteries (not included)7. The key control panel is simple and convenient8. Contact test generator, fast measurement response9. Automatically store data, automatically remind when low power10. Dimensions: 155x55x35mm11. Weight: 132 gramsSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 18cm * 8cm * 6cm / 7.09inch * 3.15inch * 2.36inch Qty per Carton 172 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 172 pcs = 30444 pcs 40HQ: 412 cartons * 172 pcs = 70864 pcs