RTD led headlamp replacement bulbs are with brass vacuum technology. Vacuum tubes are filled with copper powder and distilled water of low boiling point, so the heat source can fastly spread to the cold side.
Thermo-electricity separation technology lead to effective thermal conductivity between the led chips and copper plate PCB. The thermal conductivity up to 386W/ m *a
H4 42W super bright led headlight, high low beam truck lights
6000K car headlight high low beam
50, 000 HRS h4 truck bulbs
Double Roller Fan
1.5A high current drive
Precise standard light pattern design
Highest working temperature
Lowest working temperature
Low beam Lumen
High Beam Lumen
Maintain brightness 80% after 50,000 hours working
Used for headlamps of TOYOTA, volkswagen, KIA, NISSAN, JMC, GM, etc, car headlight, truck h4 truck bulbs.
1).How much quantity sample can be free?
---1 pair of truck bulbs for headlamp distributors testing.
2). What’s your product package?
--- one pair of led headlight bulbs in one box.
3). What’s your MOQ?
---We are very flexible to small orders of car light bulbs.
4). Warranty policy?
--- We offer one year warranty for all of our led automotive headlight bulbs.