Fangrui Product Details Easy Installation: Easily Integrate This Self-powered Wireless Switch Into Your Existing Lighting System Without Rewiring Or Damaging Walls. Simply Connect The Relay Receiver To The Power Source And Desired Fixture. Its An Innovative Solution That Complements Your Existing Setup And Improves Ease Of Use. Battery-free Operation: This Switch Harnesses Kinetic Energy, Converting Motion Into Electricity, Eliminating The Need For Batteries. This Not Only Reduces Maintenance But Also Promotes An Eco-friendly Solution. Its Ideal For Anyone Looking To Increase Efficiency And Convenience In Their Home Without Ongoing Costs. Flexible Remote Control: Permanently Secure The Switch With Screws Or Tape, Or Opt For Portable Use By Removing The Faceplate. Its Versatility Makes It Ideal For Those Who Prefer Both Fixed And Mobile Solutions To Manage Their Lighting Preferences. Working Voltage: Ac85-250v Control Distance: 100m Load Power: 2.5kw Control Type: Rf Control Working Current: 10a Rated Frequency: 433mhz Transmit