1. Display: LCD display2. Sampling rate: 0.5 seconds3. Mileage: 12-300V4. Resolution: 1V5. Accuracy: -+5.0%6. Alarm mode: analog bar, backlight and buzzer7. Automatic shutdown time: about 5 minutes8. Working temperature: 0-40 degrees Celsius9. Storage temperature: -20 to 60 degrees Celsius10. Power supply: built-in 3.7V 400mA lithium battery11. Working height: 2000m12. Equipped with LED flashlight, no fear of darknessSpecification: Package Weight One Package Weight 0.11kgs / 0.25lb One Package Size 19cm * 4cm * 3cm / 7.48inch * 1.57inch * 1.18inch Qty per Carton 240 Carton Weight 27.40kgs / 60.41lb Carton Size 40cm * 50cm * 32cm / 15.75inch * 19.69inch * 12.6inch Loading Container 20GP: 416 cartons * 240 pcs = 99840 pcs40HQ: 967 cartons * 240 pcs = 232080 pcs