It is very small as size of your THUMB
Step 1: Parts You Need
• 1 - White LED
• 2 x 3V Lithium batteries (just for max bright)
• 330R resistor 1/2 or 1/4 watt
Small requirements for small project !!!
Step 2: Connections
Step 3: And Your Done.
make suitable container for your project and ready to go with tiny little led torch.