Works with TiVo® Series2™, TiVo Series3™, TiVo® HD & TiVo® HD XL, TiVo® Premiere & TiVo® Premiere XL, Humax® Series2, Philips® Series1 & Philips®, Hughes®, Samsung® & RCA® DIRECTV® DVR boxes with TiVo® service
Compatible with Pioneer®, Toshiba® & Humax® DVD recorder boxes with TiVo® service (although lacks DVD-specific keys)
Not compatible with Sony® boxes or the Toshiba® DVD player with TiVo® service (SD-H400)