1. ABS Material

2. Two led, Brightness: over 32000mcd

3. Battery: 3.6V, 40mA Ni-MH

Model A: two white led lights, long press compass for ON, Undo for OFF

Model B:  for currency detector .long presscompass for ON,Undo for OFF

ModelC:two white led lights, Click compass for ON, Re-click switch for OFF

Model D:two white led lights, First press compass for ON, second press for twinkling, third press for OFF