Product Name：?[luxury window mounting ventilator fans] Product Type ：?T308,T318 Rated Voltage: 250V/230V/220V/110V Rated frequency: 50Hz/60Hz Rated input power: 10w~14W Air Output: 107m3/h~170m3/h Noise: ≤50dB Installation dimensions ( D ): Φ126 Φ152 (mm) Cover material : ABS Adopting square panel design, can be disassembled and wash at will. Passing IPX4 waterproof test ,can be used in the damp environment. Totally closed structure with insulated material ensure more safety. Super slim body, easily to install.