iPower Variable Fan Speed Controller Adjuster Cordless for Duct Inline Exhaust Vent Blower, HVAC, 350W, 1 Pack Description Tired of your critical equipment hogging valuable space and having messy, tangled cords? Your solution is the Fan Speed Controller for duct and inline fans. This unit is ultra-compact and plugs directly into an outlet. You can easily adjust your fan's speed with a simple turn of a knob. iPower's Fan Speed Controller is an affordable and effective tool to improve the efficiency of your growing environment. Features: - Knob Control with 4 options: Off, Low, Medium, and High - Ultra-compact and plugs directly into an outlet - no messy wires! - Plug-and-play for easy installation - 1 Mounting Tab for wall mounting Features: iPower Fan Speed Controller will correctly adjust the speed of your duct and inline fans. Design: durable 3-pole grounded plug construction, simple box design to stay out of the way and keep cords tangle-free. One control switch for 3 settings: variable speed, OFF, HIGH, MED, LOW. Built-in grounded control outlet. Suitable for all duct and inline fans. Specifications: current capacity: 3 Amps; volt: 120 AC; watts max: 350W; dimensions: 3.625in(L)*2.215in(W)*2in(H). Note: to avoid the risk of burning out the fan motor, controller does NOT adjust below 50%. This controller is not suitable for shaded pole motor and brushless motor fan. Product Details: Brand: iPower Color: 1 Pack Electric fan design: Exhaust Fan Power Source: Corded Electric Style: Speed Controller Product Dimensions: 3"D x 4"W x 3"H Room Type: Bedroom Recommended Uses For Product: Exhausting Wattage: 350 watts Voltage: 120 Volts Brand: iPower Color: 1 Pack Electric fan design: Exhaust Fan Power Source: Corded Electric Style: Speed Controller Product Dimensions: 3"D x 4"W x 3"H Room Type: Bedroom Recommended Uses For Product: Exhausting Wattage: 350 watts Voltage: 120 Volts Item Weight: 0.1 Kilograms Model Name: Adjuster Cordless for Duct Specification Met: UL Blade Material: Plastic Item Weight: 3.52 ounces Manufacturer: iPower Country of Origin: China Item model number: Variable Fan Speed Controller Is Discontinued By Manufacturer: No Assembly required: No Number of pieces: 1 Batteries required: No