Proiettore LED 10 W IR infrarossi 940 nm lampada da esterno luce di riempimento di sicurezza di USPS
940NM wavelength. The difference of 850nm and 940nm The higher the radiation intensity, the higher the brightness. Beam Pattern: Flood. The 850nm has the red light, and the 940 has no red light. Beam Angle: 120°.