Nexa mkft-1704 mini-remote control with key ring, up to 30m range, white, egg-shaped mini-spring control with hook for, for example, key ring. Can be used to control individual receivers or receivers with smart mode *. Single and double click command. Works with system nexa receiver. . Transmitter on off, . Smart mode * function, . Up to 30 meters range, smart mode: with devices that support smart mode you can save up to 3 different favorite scenarios that are easily activated with a nexa smart mode transmitter. Read more about smart mode here, dimensions wxdxh : 37x53x20mm.