


Millimeter-Wave Radar
Detects Approaching Vehicles
up to 150 Meters away. It features automatic threat level
assessment and warning light activation for vehicles approaching
from behind

Horizontal detection
angle up to 45 degrees
Can detect up to 8 vehicles coming
from behind at the same time

Connected with
Navihood L1 L2 & Navihood APP
Also compatible with mainstream GPS bike computers via ANT+
standard protocol as well as APPs and Sport watches.
Stay informed with both audio alert and visual alert.
Audio Alert: When vehicle is approaching, if the sound is open
via Navihood APP, it will comit a beep sound continuously.
Visual Alert: It will indicate the risk levles by different colors of
the background line and vehicles position. (As below in L2 model)

L2 Color Variations
illustration

Safe Distance Laser
Warning Light
When a rear vehicle is detected at a potentially dangerous
distance, the laser indicator will flash rapidly to warn drivers.

High Brightness COB Light Source
234-Dot Matrix
Red and Yellow Dual-color display


Connect to Navihood APP
Customize animated expressions and texts.
If you don't have a GPS bike computer, you can use the Navihood app's
radar detection feature to stay alerted to vehicles approaching from behind.
It works the same way as it does with a bike computer.

Shine through your Expressions.
Connect with users worldwide in the Expression marketplace.
Create your own emojis and Share with global riders.

Barrage Feature
Seamlessly integrating cycling and communication for a smarter,
safer ride. Scrolling texts remind riders behind of your next
move during a group ride.

Turn-by-turn Synchronization
Connect to the Navihood Bike Computer and
synchronize with turn-by-turn navigation signals.

Emergency Brake Flash Alert
The B2 radar taillight triggers a brake alert when you
make a sudden stop, keeping you visible and protected.

Connect to Navihood Cycling Computers
Real-time display of speed, cadence, heart rate,
power, distance, slope, and lap segmentation

Warm Tips:
1. At any given time, the B2 taillight can connect to either
the app or the cycling computer, but not both simultaneously.
To switch connections, select “Disconnect” in the app before
pairing with another device.

Warm Tips:
2.When connecting the cycling computer and sensors via the app,
both the B2 taillight and the ANT radar icons will be displayed.
You can find left two icons displayed in Navihood APP.

Warm Tips:
3. The B2 taillight is currently compatible with the following
cycling computers: L1, L2, L3, L4, and M22. Please ensure
your device is updated to the latest software version to
enable this feature. The L1 and L2 navigation computers
additionally support turn-by-turn directions.


Long Lasting Battery Life
Ultimate structure design not only incorperates a 1500mah
high quality battery but also combines low consumption COB
light beam,coupled with the high quality radar module to optimize
the power consumption. Despite integrating radar, expression
patterns, and laser lighting, the battery still lasts up to 17 hours.
It is with Type-C charging interface.
Working Status: Radar On
Laser Light: On
Expression: On

Waterproof Rating: IPX7
Working temperature range: -20° to +60

Rotary mounting design allows for
quick and easy installation and removal.
Attaches securely to the seat post using an elastic rubber strap.

Break-proof Aluminum
Alloy Back Base
Protects the radar mount from breaking if dropped, unlike
traditional plastic brackets that are prone to snapping under leverage.

Adapts to various seat-post types.
Compatible with various seat-post types,
including O-shaped, D-shaped and aero-shaped posts.






















