The Wuben X3 prototype that I received has a white Samung LH351D emitter and a red 670nm emitter. There are some nice features: a display, wireless charging, two blue aux lights at the back, a glow-in-the-dark case and magnets. A charging case was also included.
Wuben X-0 Knight Battery Replacement Guide
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Wuben X3 Prototype Review :: Tim McMahon
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Wuben X3 Prototype: Very Innovative! Kickstarter Underway!
Wuben X3 Prototype Review :: Tim McMahon
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Wuben X3 Prototype Review :: Tim McMahon