Details: Replacement Model:RC-RP0502E Brand: Generic. Condition: Brand new. No programming or setup required, easy and simple to operate. Perfect replacement for lost or broken remote control. 30 days money back guarantee & 12 months warranty from manufacturing defects. Accept return and exchange in warranty period. This Remote Control fit for Below Knowing Models: K-521-B K521B Note: If your model number is not listed above or your original remote is different from this remote, please email us to confirm suitability.