Compact: This is officially the highest performing unit we have seen of this size. If you are familiar with the H1 projectors, the dimensions of the Micro D2S Bi-xenon projectors are nearly identical. These use the exact same mounting points and overall foot print as an H1 projector. The main difference is the threaded shaft size
2.5 Bi Xenon Lens RGB APP Bluetooth Angel Eyes Projector H1 HID LED Bulb H4 H7 Headlight Car Lights Accessories Tuning - AliExpress
2.5 inch Bi xenon hid Projector lens with LED DRL Double angel eyes shrouds H1 H4 H7 car headlight Headlamp car assembly DIY - AliExpress
NHK Micro D2S Bi-Xenon projector – Circuit Demon
NHK G5R: Essentially this is a enhanced revision of the Original Hella G5 Projector, which is what the Morimoto D2S 4.0 Bixenon projector is based off
NHK G5R D2S Bi-Xenon projector
Universal Mini Bi led lights Projector Lenses for Headlight 2.5 Inch WST H1 H4 H7 LED Car Lamps 6000K Accessories Retrofit DIY - AliExpress
What's Included: 2x Projectors: CB&D Micro D2S Clear Lens Bi-Xenon LHD 2x Hardware Packs: Lock Rings, Bulb O-rings, etc. 2x 9006 Bixenon Solenoid
HID Projector: CB&D Micro D2S
Bi-Xenon: Morimoto Mini D2S 5.0 HID Projectors PR56
Compact: This is officially the highest performing unit we have seen of this size. Majority of the hobbyist retrofitters started with the H1 bixenon
NHK Micro D2S Bi-Xenon projector
G5-R Bi-Xenon HID Projectors – Lightwerkz Global Inc