The RCRN04GR controls up to 4 devices including TV, satellite, cable/DTC, DVD/VCR, and DVR/Aux with auto code search, brand/manual code searches, and direct code entry for quick setup. The green backlit keypad and ergonomic thin design provide comfortable operation in any lighting condition. Key features include menu and guide support, volume and transport key punch-through, channel lock, previous channel, sleep, Picture-in-Picture/swap, and expanded transport keys for comprehensive device control.