RGB full color laser show light;laser show system stage DJ lighting; high power laser show equipment

How is the risk to buy stage lighting from online shop in China?

I need advice from more experienced people.
The situation is like this:

1. 10000mW RGB Full Color Animation Laser Light
2. High speed XY Scanner Module(scan speed>25kpps;scan angle ±20°
;input signal ±5v;linearity distortion<2%)
3. Laser Power: Red:5000mw/650nm,Green:2000mw/532nm, Blue:3000nm/450nm,Mixed 10000mW full color animation laser light
4. System Port:DMX512 input and output port, ILDA DB standard port
5. Control Mode:Sound Active, Auto, DMX512, Master/Slave, PC Control

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