1. Display mode: digital display2. Measuring range:- Voltage: SDM012-2/SDM012-1: 70-150V; SDM012-RS485: 160-270V- Current: SDM012-2/SDM012-1/SDM012-RS485: 0-100A- Frequency: SDM012-2/SDM012-1/SDM012-RS485: 40-70Hz3. Accuracy level: 1 percent4. Shell anticorrosion wear-resistant, safe and reliable use5. Function: can measure and control AC voltage, current, active power, frequency, power factor and electricity6. LED digital color display, clear readings at a glance7. Rail mounted, easy to operate8. Size: 80 x 37 x 66mmSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 11cm * 6cm * 9cm / 4.33inch * 2.36inch * 3.54inch Qty per Carton 90 Carton Weight 16.40kgs / 36.16lb Carton Size 50cm * 38cm * 35cm / 19.69inch * 14.96inch * 13.78inch Loading Container 20GP: 401 cartons * 90 pcs = 36090 pcs40HQ: 930 cartons * 90 pcs = 83700 pcs