flashlight (ms-501)

the products is very popular in foreign countries.it is designed by my company.Patented number: ZL 03 3 20645.7
Do not need adopt the battery; (1 led)
the flashlight will light on for about 8 minutes it is driven for 20 seconds
the flashlight will light on for about 15 minutes it is driven for 40 seconds
the flashlight will light on for about 25 minutes it is driven for 60 seconds.
(battery:40MAH 3.6v)