Pittasoft Power Magic Pro

What's inside?

Main components:
1. MOSFET: Internatilal Rectifier IRF9Z34N. Fast switching, can handle big current. BlackVue rated for 0.3A (I say 0.4A) can live without heatsink. Datasheet
2. Microcontroller: Nuvoton N79E8432ASG. 4 Kbytes APROM, 4 Kbytes Data Flash, 512B RAM. DigiKey, Nuvoton

Measurements (with no load):
ON state: 7.2 mA (guess mostly on LED)
OFF state: 0.03 mA

More pictures. Same board version 4.20, different stickers, mosfet version changed but same International Rectifier (IOR).