1w with bolts led,super-brightness led,1w high power led 160~200 LM American bridgelux chips 50000 hrs lifespan 1w with bolts led,super-brightness led,1w high power ledPower dissipation: 1wattColor: whiteCurrent: 350mAVoltage: 3.0~3.6VLumens: 100~110 lmColor temperature: 5500~6500kLifespan: 50,000 hrsBolts length: 7 mm/17 mmCertification: CE&ROHS3 years quality warranty