... The United States imported CREE Q35A bulbs, small power consumption, high brightness, spectrum close to natural light ... 150-200 m effective optical distance! 3.function:can be divided in three modes,high, ... -slip! 7.Use 2 18650 batteries! 8use of high-strength aerospace aluminum shell, anodized handle! ... , have the function of overcharge and overdiacharge, when the voltage is 2.7V,the power will be off ...