Specifications: 1) remote controller for projection screen, motorized curtain, blind... Etc. 2) radiofrequency single channel 3) input: Universal voltage input 100 ~ 240v AC 4) extruded aluminum casing with surface treatment 5) output: Common, up, down 6) standard packaging: Receiver x 1, key-chain type transmitter x 1,5-cord main wiring kit x 1,3-cord manual wiring kit x 1, white box