The RMT-PJ37 is replacement remote. Compatible with NP-PA521U, NP-PA521U-13ZL, NP-PA571W, NP-PA571W-13ZL, NP-PA621X, NP-PA621X-13ZL, NP-PA622U, NP-PA622U-13ZL, NP-PA672W, NP-PA672W-13ZL, NP-PA722X and NP-PA722X-13ZL projectors.
- Compatible with NP-PA521U, NP-PA521U-13ZL, NP-PA571W, NP-PA571W-13ZL, NP-PA621X, NP-PA621X-13ZL, NP-PA622U, NP-PA622U-13ZL, NP-PA672W, NP-PA672W-13ZL, NP-PA722X and NP-PA722X-13ZL projectors