MOONSMC® Low Profile LED Tail Light V4 Next-level visibility, clean styling, and safety-first performance for Harley-Davidson riders. The V4 upgrades your rear lighting with ultra-bright output, integrated sequential signaling, and an optional strobe brake mode all in a sleek, low-profile package. ⚡ 10× Brighter LED Chips High-output LEDs help keep you seen day or night. ➡️ Integrated Sequential Turn Signals Clean rear end + modern signaling built in. 🚨 Optional Strobe Brake Function Brake triggers 5 rapid flashes, then goes solid (when enabled). 💎 Diamond-Pattern Running Light Distinct presence with a new low-profile look. 🛡️ Fully Sealed & Weather-Resistant Sealed housing helps prevent water intrusion and corrosion. 🔌 Plug-and-Play Install Designed for a simple install on compatible models. What’s Included / Features Low-profile LED tail light assembly Integrated sequential turn signals Optional strobe brake mode (5 flashes then solid, when enabled) License plate window LED lighting Sealed housing for weather resistance Backed by MOONSMC quality Fitment Compatible with 1999–Current Harley-Davidson® models including Dyna, Softail M8, Sportster & Baggers. Compatible with 1998–1987 Harley-Davidson® models including Dyna, FXR and Sportster. Note: For some models (FXLRST, FXLR/FXLRS), the appropriate rear harness and/or bezel may be required for turn signal functionality. 2020 - 2024 Softail M8 FXLRST - M8 Replacement harness and blacked-out M8 bezel is required. 2018 - 2024 FXLR / FXLRS / FLXRST Model's - M8 Replacement harness is required in order for the turn signals to operate. If you are having hyper flash, or bulb out error codes install our Plug and Play Load Equalizer Upgrade your rear lighting with a clean, modern tail light that prioritizes visibility and safety — without the bulky look. Harley-Davidson® is a registered trademark of Harley-Davidson Motor Company. MOONSMC® is not affiliated with or endorsed by Harley-Davidson. * PATENT PENDING 29/764,739 *