1. Scope of application: AC12-1000V2. Frequency: 50Hz-60Hz3. Alarm reminder: visual sound4. Flashlight: LED flashlight5. Working temperature: 0-40 degrees Celsius6. Storage temperature: -10 to 40 degrees Celsius7. Humidity: about 95%8. Battery: 2x1.5V AAA (not included in this product)9. Where the signal light goes down and the hood disappears, it may be a break point10. Non-contact induction measurement, sound and light dual alarm11. Clearly visible in dark environments, making measurements more convenient and worry-free12. Press the buckle and push the battery cover out of the car body to replace the batterySpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 16cm * 4cm * 3cm / 6.3inch * 1.57inch * 1.18inch Qty per Carton 300 Carton Weight 16.00kgs / 35.27lb Carton Size 50cm * 42cm * 32cm / 19.69inch * 16.54inch * 12.6inch Loading Container 20GP: 396 cartons * 300 pcs = 118800 pcs40HQ: 921 cartons * 300 pcs = 276300 pcs