Fangrui Product Details Features: Knob Switches Designs Allows For A Straightforward Setups, No Professional Help Required. Automatically Turn Close All Types Of Light Including Led, Fan And Heaters At Presets Time. The Redness Led Light Is Turn On, Easy To Locate In Dark. (note: Light Is Close When It Is Working Normally, And It Is On When It Is Not Working. ) Great For Bathrooms, Closets, Storage Room, Garages, Laundry Room. Reliable Mechanical Timer Ensures Consistent Power Close, No Intelligent Device Need. Specifications: Materials: Abs Type: 15 Minutes/30 Minutes/60 Minutes/120 Minutes Size: About 86x86mm/3.39x3.39inch Voltages: 220v Current: 10amp Power: 2000w Package Includes: 1set Mechanical Timer Swtiches Note: Please Allow 1-2cm Errors Due To Manual Measurement, Make Sure That You Do Not Mind Before You Order. Due To Difference Between Different Monitors, The Picture May Not Reflect The Actual Color.