... and energy saving , applicable for daily useage. 1,Light Source: CREE XP-G R52,Light output: 260 Lm3,Mode: High/ Low/ Strobe4,Runtime ... :1.4 hrs5,Lamp holder material: Brass6,Light cup ... material: Aluminum alloy7,Dimension: Length 98.6 * Body 218,Power source: 1*14500 rechargeable Li-ion battery