1. Garmin Varia TL 300 (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
Works independently and seamlessly integrates with compatible Edge® cycling computers¹As rider's speed increases, the headlight automatically projects farther ahead or closer as a rider's speed decreases when paired with select Edge computers

2. Waterproof Bike Tail Light, Garmine USB Rechargeable Bicycle Taillight Ultra Bright Fits on All Road Bikes, Helmets - Easy Install Cycling Safety Flashlight (Red/Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 9.7 out of 10
♥ USB Rechargeable Tail Bicycle Light - No need extra Batteries! The taillightcharges from your computer or any device with a USB port. Only takes 2 hours to fully charge!♥ Ultra Bright Tail Light - The taillight provides more visibility than other bike lights in the market! Practical, Reliable, Energy-saving and Durable. Water resistant rated to IPX6(Not other IPX4 bike lights) - Protected against splashing water from any angle.

3. Garmin Varia HL 500 (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
AUTOMATIC BEAM MODE - Based on speed information from an Edge, the headlight beam will adjust where the rider needs it the most -When deceleration is detected, the tail light will change its brightness to alert traffic that a cyclist is near and slowing.FOCUSED LIGHT - The Varia headlight focuses the light where you need it -on the road ahead. The headlight beam also has a high-beam cutoff to avoid blinding oncoming traffic while still shining up to 100 lux at 10 meters.

4. Garmin Quarter Turn Mount For Varia Tail Lights, 010-12385-00 (For Varia Tail Lights) (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10

5. Garmin Varia Rearview Radar Tail Light (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
The tail light brightens and blinks when approaching vehicles are detected for an extra measure of safetyDetects approaching vehicles from up to 140 meters