beam lumen

常見例句

權(quán)威例句

• Operators can also hold the switch down to run the flashlight in low mode, producing a 50 lumen light beam and a longer 12 hour runtime.
  ENGADGET: Explosion-proof flashlight could be the first to outlive its owner
• By pressing the switch once, the light operates in high mode to produce a full power 130 lumen light beam with a long 4 hour runtime.
  ENGADGET: Explosion-proof flashlight could be the first to outlive its owner
返回 beam lumen