Voltage:20V No-load speed:0-520rpm/0-800rpm Mixing pad thread:M14 Aluminum 2 mechanical gear box Variable speed control Include: 1 Pcs mixing pad 2 Pcs 4.0Ah battery pack(TFBLI20021) 1 Pcs charger(TFCLI20411) Charge volts: 220-240V~50/60Hz Packed by color box