No original ghost hole hidden engine, high precision dual lens lens, improve image resolution, spot focus, filter stray light, improve positioning accuracy, sealing the light hole to prevent dust and liquid, with a soft cloth swab, wipe the dust, sustainable and high precision!

The lithium battery design, more environmentally friendly energy saving effort, the general MicroUSB charging interface, more convenient to use, when charging, the red light is full of electric roller; roller, the red light; the power is low, the lights flashing, to remind the user to charge