FEATURES:

- brake lights has adjustable sensitivity.

- lights has a smart sensor that can sense both front and   rear/disc brakes.

- lights responds when hitting big bumps and dips on the road.

- lights can work with rechargeable batteries.

- lights has auto power-off capability (when staying still over 4 minutes).

- lights has a low power indicator (when power is below 2.3V).

- wireless brake light is weather resistant.

- wireless brake light has a wider visability design.

- wireless brake light is equipped with PWM technology to remain stable   brightness during low power condition and saves power.

- brake light has NO radio transmission design & NO mercury

- wireless brake light is easy to install at home.