Advanced AI technology improves the accuracy of human recognition to persistently track and focus on the subject you want to shoot

and height adjustment

letting you and your subject know when recording is in progress

without excessive fan noise

Garmin Varia RearVue 820 Radar Tail Light with Advanced Features HDTV Specials Advanced AI technology improves theGarmin Varia RearVue 820 Radar Tail Light with Advanced Features Product Description: Ride with greater confidence and awareness with the Garmin Varia RearVue 820 Advanced Rearview Radar & Tail Light a cutting edge safety accessory designed to enhance visibility and alert you to vehicles approaching from behind while cycling. Combining powerful rear view radar tracking with a high visibility LED tail light, this device helps improve your situational