automatic emergency lighting units

This series will be useful when the electricity suddenly dead in your home, by itself it will work lit up the room in your home

    
R1 = 33Ohm
R2 = 470Ohm
C1 = 470uf/10v
Q1 = BC160, BC143
D1,2 = LED
D3,4 = IN4001
T1 = 4,5v/200mA