Size: 19.5 x 4cm ( Length x Diameter approx. ).

Function: Alarm and flee for trouble and emergency.

Power supply: 2 x AA Batteries ( Not included! ).

LED: 9 red-lighted LED.

Brightness: 3000-5000mcd.

Neon bulb: single bulb 2.5V 0.3A.

Longevity of batteries: LED only, about 36 hours continuously; Neon bulb only, about 4 hours continuously.

If get trouble at nights, use the magnet on the back of auto to alarm.

If get accidents and can not unite the self-belt, use the reamer to cut self-belt off to flee.

If get accidents and can not open the windows, use the hammer to break the windows.