tower fan Model: DF-615 NO: DF-615 speed range: Three switch type: Normal button air supply: none Continued on page shook his head no timing function: no time operation: mechanical power Source: USB wind class options: natural wind fall from the stop: support type air-conditioning fan : Single heat Water tank capacity: 1 Ice crystal: No self - strap Noise: 40-50dB Rated voltage: 3.7 Rated power: 3-8 Rated frequency: 2