1. Voltage measurement range: AC50-500V2. Voltage measurement range: AC1-63A/AC1-100A3. Ambient temperature: -50-50 degrees celsius4. Measurement error: 1 percent5. Display mode: digital display6. Rail-type design, easy to install, wide range of applications7. Current and voltage can be displayed at the same time, easy to read8. Shell material thick, longer service life9. Size: 83 x 65 x 36mmSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 4cm * 8cm / 3.94inch * 1.57inch * 3.15inch Qty per Carton 180 Carton Weight 22.70kgs / 50.04lb Carton Size 51cm * 38cm * 34cm / 20.08inch * 14.96inch * 13.39inch Loading Container 20GP: 404 cartons * 180 pcs = 72720 pcs 40HQ: 939 cartons * 180 pcs = 169020 pcs