Part Number: KIT2403421. Jazzy Ultra Light. Power Chair Compatibility. Component Type: Seat Base & Rear Light Assembly. They are only available together as this complete assembly. ⚠️ CALIFORNIA PROPOSITION 65 WARNING: This product, including its internal electronic circuitry and molded plastic/fabric components, can expose you to chemicals including Lead and Phthalates (DEHP), which are known to the State of California to cause cancer and birth defects or other reproductive harm.