Some small electronic solutions

We are looking for a the following solutions: - Flashlight or laser triggered LED flash (a few flashes) - Flashlight or laser triggered LED with a programmable flashing sequence (e.g. a number morse codes) - Flashlight or laser triggered 7-LED display with a programmable flashing sequence of numbers/letters to be displayed The solution should be low cost and very small (e.g. 1.5 cm x 4 cm PCB). It should be battery powered with very low power usage (at least 2 years on one battery) We need: - Video showing the solutions are working - Schematics of the solutions - PCB layout or breadboard layout - Components (available in Europe) - Storing of data (programming of controllers or OTP) should be possible by myself with a lowcost solution