1)4558-800 KV: 800 , Voltage: 14.8v ,  Prop: 12x8 , Current: 50A , Speed: 10000rpm , Pull: 3200g , Max current＜60s : 55A , Application: 3m plane  2) 4558-400 KV: 400 , Voltage: 24v ,  Prop: 15x8, Current: 38A , Speed: 8200rpm , Pull: 3500g , Max current＜60s : 45A , Application: 3m plane