1. Overheating protection: yes2. Air flow: 300-500L3. Power type: AC power4. Rated voltage: 220v5. Working current: 7.5A6. Rated input power: 2000w7. Noise decibel: 250-500 l / min8. Net weight: 0.8 (KG)9. Standard accessories: instruction manual, nozzleSpecification: Package Weight One Package Weight 1.00kgs / 2.21lb One Package Size 25cm * 25cm * 10cm / 9.84inch * 9.84inch * 3.94inch Qty per Carton 30 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 30 pcs = 5310 pcs40HQ: 412 cartons * 30 pcs = 12360 pcs