am not yet too long down the curb in use, but the red light has ever been after I nen by the vibration just stopped to light up, then also went right back to when I pressed the button .. this feeling However, processed on standard but what can you expect big price for that. the 2 lights themselves are not even a hand-sized package, however, and other pamphlets were together pearl catalog delivered in a relatively huge box .. unnecessary Conclusion: you can try it