Overview: This Radio POWER Yokis simple lighting kit is a set composed of a wall switch remote control key 1 Yokis TLM1T45P and a timed impulse relay MTR2000ERP allowing you to create a wireless connection and thus without cable or light passing hole or portal, for example. Performance: Range of radio: 250m free view Frequency: 2.4Ghz bi-directional Transmitter potential-free contact (allows multiple applications) Transmission indication LED on the switch Packaging: Kit consists Radio transmitter switch Radio receiver and Yokis Warranty: All Yokis brand products are guaranteed for 5 years from the date of purchase.