Anti-Blu-ray glasses test pen Test anti-Blu-ray lens test lamp light pen pointer pen counterfeit pen

$0.99

Anti-Blu-ray glasses test pen Test anti-Blu-ray lens test lamp light pen pointer pen counterfeit penAnti-Blu-ray glasses test pen Test anti-Blu-ray lens test lamp light pen pointer pen counterfeit penAnti-Blu-ray glasses test pen Test anti-Blu-ray lens test lamp light pen pointer pen counterfeit pen

Test pen [name]: single point purple 5mw [product material]: copper + aluminum [Use battery]: 2*AAA7 dry battery [product appearance]: pen shape [Type]: Visible laser Diode [Specification parameters]: fixed focus, spot light spot, continuous output, continuous service life > 5000 hours [Output wavelength]: Blue-violet light 405nm [range range]: 10-100 meters [Beam diameter]: minimum spot diameter1.0mm; light spot at 15m <18mm [Circuit Control]: APC line [Working temperature]: +20C ~ +30C [Storage temperature]: +10C ~ +40C The contrast between green light, red light and blue-violet light: Brightness: green light > red light > blue purple light Concentration and range: blue-violet light <green light <red light Stability: Green light <Red light = Blue-violet light (Green light is affected by climate, used in colder environments, need to be warmed up for a few seconds or hot first Friendly reminder: This product does not contain batteries and packaging