Yescom Electronic Fan Speed Controller Variable Adjustor for Hydroponics Inline Duct Exhaust Ceiling FansCategory: 10 In Line FanFor 1500W Style Features: -Applicable for fan or router which power is from 500W to 1500W -Fuse Protected. -UL listed for safe use. -One control switch for 3 settings: Variable Speed, OFF, and Full Speed. -Speed control dial to control variable speed: Low, Medium or High speed. -Built-in a metal clamp at the back of the speed controller. -Built-in grounded control outlet. -Come with 31-1/2" Grounded Power Cord with US standard plug. -Especially convenient for you when the power cord of your fan is not very long. -Lightweight, practical and easy to use. -Perfect to control speed for high velocity inline fan and mini blower. -Make your fan quieter when adjusting to low or medium speed. -Safe and environmental friendly. Specifications: - Voltage: AC120V, 60Hz 15A - Power Range:500W-1500W - Fuse: 15A - Dimension: 5-1/2"L x 2-2/5"W x 2-2/5" H - Power Cord: 31-1/2" NOTE: Not compatible with brushless type motors.For 550W StyleFeatures:- Fuse Protected- One control switch for 3 settings: Variable Speed, OFF, HIGH, MED, LOW- Speed control dial to control variable speed: Low, Medium or High speed- Built-in grounded control outlet- Come with US standard plug- Lightweight, practical and easy to use- Perfect to control speed for high velocity inline fan and mini blower- Make your fan quieter when adjusting to low or medium speed- Safe and environmental friendlySpecifications:- Voltage: AC110V, 60Hz 5A- Max. Power: 550WPackage Contents:- 1x High-quality Speed Controller- 1x ManualNote: Please only using it with FANS that have a universal brush type motor (Eg: Inductive Fan). Do Not use on brushless type motors (Eg: Magnetic Induction Fan).