Lot of 10, Thermocool AC fan. Specification : 100-120v AC input, 0.16A rating, 12W, 2300RPM, Noise: 27-30dB, Airflow:19-23 CFM, Size: 80mmL x 80mmH x 25mmW (3.15"L x 3.15"H x 0.98"W). Includes 6" pre-wired power lead.