1. Easy to install, simple to use, no complicated steps2. Energy saving and environmental protection, stable performance3. Measuring range: 0-100A4. Supply voltage: 220V5. Accuracy: +/- 2%6. Opening size: 22mm7. Overall size: about 2.8 x 5.1 x 2cmSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 8cm * 4cm * 4cm / 3.15inch * 1.57inch * 1.57inch Qty per Carton 430 Carton Weight 22.50kgs / 49.60lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 430 pcs = 177160 pcs 40HQ: 958 cartons * 430 pcs = 411940 pcs