Device key

Turns the device on and off.

Ambient light sensor

Detects available light and automatically adjusts the brightness of the display.

Connection status LED

Appears solid blue when the device is paired with the taillight. Flashes blue when the device is searching for the taillight.

FRONT and REAR device status LEDs

Flashes red when the battery is low. Appears solid red when there is a device error.

Threat level LED

Charging status LED (Charging the Device)

Changes color based on the potential level of threat. Green indicates no vehicle is detected. Amber indicates a vehicle is approaching. Red indicates a vehicle is advancing at a high rate of speed.

Vehicle position LEDs

Moves up the column as the vehicle gets closer to your bike.