Model Name: Kaze Master 3.5 (3.5inch Version) Model Number: KM01-SL-3.5 (Silver) Manufacturer: Scythe Co., Ltd. Japan Dimension (W x H x D) 103 x 25 x 93 mm Display Dimension 60 x 15.5 mm - 3.5inch Version DC Input 5V or 12V (From PC Power Supply) Fan Adjustment Range 3.7V (10%) - 12V (10%) Fan Channel 2 (3.5inch Version) Maximum Fan Ampere per Channel 1A per channel Fan Speed Range 0 - 7500 rpm (Display Range: 30rpm Incremental) Package indicates the maximum range as 9,990 rpm, but the actual range is 7,500 rpm. Temperature Module Channel 2 (3.5inch Version) Temperature Range 0 - 100C / 32 - 199.9F Measurement Frequency Every 2 Seconds Weight 125 g (3.5inch Version)