evo.com | Lezyne Rear Lights > The Lezyne E-Bike Z-Mark Super Bright StVZO Ai Alert Rear Bike Light revolutionizes rider visibility with intelligent deceleration detection that automatically activates a brilliant 35-lumen signal when you slow down. This StVZO-certified protector features wide-angle optics that maximize your presence on the road while its IPX7 waterproofing keeps you visible through unexpected downpours. Think of it as a brainy backside bodyguard for your e-bike adventures. Ai Alert Technology Advanced taillight with smart brake sensing technology. Detects deceleration and emits a bright light, alerting others that you're slowing down. E-Bike Compatible 6-12V Input, 1.8W / 3.6W "Ai Alert" Mode Composite Matrix Rack Mounting System IPX7 Waterproof Rating Two High-Output LEDs Provide 11 Lumens | Lezyne E-Bike Z-Mark Super Bright StVZO Ai Alert Rear Bike Light 2026 in Black