1. Measuring range: 0.01-200uT/0.1-2000mG2. Frequency range: 30-1000Hz3. Measuring range: 1-2000V/m4. Range: 2000V/m5. Resolution: 1V/m6. Frequency range: 50MHz-3.5GHz7. Automatic shutdown: about 15 minutes8. Usage environment: 0-40 degrees Celsius9. Battery: 3x1.5V AAA battery (not included in this product)10. When the device detects a magnetic field, it will display different backlight colors according to the size of the measurement value to remind the user11. Suitable for household appliances working within the power frequency range12. Small size, does not take up space, easy to carry aroundSpecification: Package Weight One Package Weight 0.23kgs / 0.52lb One Package Size 18cm * 9cm * 6cm / 7.09inch * 3.54inch * 2.36inch Qty per Carton 75 Carton Weight 18.25kgs / 40.23lb Carton Size 56cm * 47cm * 32cm / 22.05inch * 18.5inch * 12.6inch Loading Container 20GP: 316 cartons * 75 pcs = 23700 pcs40HQ: 735 cartons * 75 pcs = 55125 pcs