SUMZI-Z5 Digital magnetron dimmer flashlight drive circuit

CREE Q5 high efficiency LED; Service life
 50000 hours;

Output &Runtime:
Max : 230 Lumens 2.5 hours
SOS:  150 Lumens  4 hours
Blasting flash
: 230 Lumens 3hours
Step-down constant-current drive
: 350mA-1000mA
Functions:  6 levels of brightness selection with Hall-Effect Sensor
Battery: powerd by one 18650
Supply voltage
: 2.7V-6V