-Modern electric Whisk for household and office use: -4 x 1.5V Rechargeable battery; -Adopter for 110v-220v, 50 Hz-60 Hz Packing: -6pcs/ctn 53X45X36.5CM -G.W./N.W.:12/13.5KGS-Qty of 1x20': 1980PCS -Qty of 1x40': 3960PCS -Qty of 1x40'HQ: 4860PCS