This is a very simple light that uses the series connection of a , a switch, a resistor and a 9 volt . It is very handy to use when there is no light. To make the brighter the number of can be added.

CREE XM-L T6 1- 3800LM 5 Modes Zoom Flashlight Light – Продолжительность: 2:25 Tinydeal DV+ 342 987 просмотров. led torch rechargeable torch battery