High light transmission mask Uniform virtually 180⁰ light distribution with milky polycarbonate diffuser(no spot light effect) The bulb provides enough IR to illuminate a good size room by bouncing the light of the ceiling (provided the ceiling is light colored), doing that will eliminate more shadows. Big 3W 940nm invisible infrared LED chip with double gold line 45MIL infrared LED chips, 3W high power output per chip, greater luminous intensity and wider irradiation range. The lamp body dissipates heat quickly and has a longer service life 3pcs 3Watt high power IR LEDs，Built-in constant current and voltage driver, Heat sink with integrated pure aluminium fins for increased heat dissipation area, effective conduction and heat dispersion to ensure long life. Quality E26 E27 base Standard screw E26 E27 lamp base. Easy to install. Stronger electrical conductivity, good contact. not easy to rust, durable. Why choose 940nm Infrared LED Illuminators? 940nm infrared LEDs are virtually invisible to the naked eye. These LEDs produce no light that the naked human eye can see. however, The light from these LEDs can be picked up by most infrared night vision cameras. if there is a need to be discreet, 940nm is a good choice due to its invisibility. This bulb is also suitable where there is a need to illuminate a specific area, since it will work in E26 / E27 light fixtures disguising and aiming it is easy. 940nM IR Illuminator, 5X 3 W, invisible no glow, for CCTV Surveillance Cameras 940nM IR Illuminator, 3X 3 W 45° spotlight, invisible no glow, for CCTV Cameras 850nM IR Illuminator, 3X 3 W 45° spotlight, for CCTV Security Cameras IR Infrared 940nm Illuminator 120° Wide Angle invisible LED Lamp for IP CCTV IR Infrared 850nm Illuminator 120° Wide Angle Waterproof LED Lamp for IP CCTV Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Price $26.59$26.59 $28.99$28.99 $27.54$27.54 $21.83$21.83 $21.84$21.84 Wavelength 940nM 940nM 850nM 940nM 850nM Visible light or not invisible invisible Visible invisible Visible angle of illumination 160° 45° 45° 120° 120°