iPower Variable Fan Speed Controller Adjuster Controller, 1 Pack 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 Switch Type: Basic Item Weight: 0.1 Kilograms Indoor/Outdoor Usage: Indoor Model Name: Adjuster Cordless for Duct Specification Met: UL Control Method: Touch Blade Material: Plastic Is Cordless?: No Number of Power Levels: 3 Main Power Connector Type: NEMA 5-15 Manufacturer: iPower UPC: 799441267652 Global Trade Identification Number: 00799441267652 Size: Speed Controller Item Weight: 3.52 ounces Country of Origin: China Item model number: Variable Fan Speed Controller Is Discontinued By Manufacturer: No Controller TypeMaterial: Button ControlPlastic Number of SpeedsIncluded Components: 3fan speed control 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. 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