NEXA MRYT-1805: Twist dimmer, up to 30m range, battery included, white, Wall transmitter with twist and push dimming function. Control on / off receiver or dimmer receiver. Easily mounted with the supplied double-sided adhesive tape or with screw directly on the wall or appliance box. . Rotate and push fog function, . Battery included, . Up to 30 meters range, . Compatible with Nexa Bridge, . Radio frequency: 433.92MHz, Dimensions (WxDxH): 80x80x20mm.