The Enerj ECO Range 3 Gang Wireless Kinetic Switch delivers reliable wireless control without batteries or mains power. This self-generating switch harvests energy from each keystroke, eliminating ongoing maintenance and replacement costs. Compatible with all ECO Range receivers (sold separately), you can link up to 10 switches to a single receiver with a 30-metre indoor range or 80-metre outdoor range. Mount flexibly using adhesive tape or screws, making it ideal for retrofitting. Built to last with up to 200,000 keystrokes and a 50-year lifespan. IP65-rated for both indoor and outdoor environments, this kinetic switch represents efficient, sustainable wireless switching technology.