KlikAanKlikUit ACC-250-LD. Type: Dimmer & switch, Maximum indoor range: 30 m, Maximum outdoor range: 70 m. Case design: External, Control type: Buttons, Wireless, Product colour: White. AC input voltage: 230 V, AC input frequency: 50 Hz, RF transmission frequency: 433.92 MHz. Width: 53 mm, Depth: 58.4 mm, Height: 53 mm. Sustainability certificates: RoHS