Tlačit kalorie Pedagogika 4w 960 nm laser zápěstí nádherný Opakováno
Laser Diodes - Laser 2000
High quality 940nm multimode laser diode
4W Industry Laser 445nm/447nm/450nm 4000mW Blue Laser Dot Module Diode NDB7A75 w/ TTL0-20kHz & Fan Cooling & Long Time Working: Amazon.com: Industrial & Scientific