SPECIFICATION(1)Size: 15*157mm(2)Material: Aluminium(3)Laser wave length: 532nm(4)Body color: Black(5)Safety level:Class III B(6)Operation Voltage: DC=3.7V(7)Operating Temp. Range: 0-30(8)Battery: CR 18650 battery、 3.7V*1pcs FEATURE(1)Net weight: 115g(2)Switch: momentary Switch(3)Focus mode: adjustable(4)Expected lifetime:>8000 hours(5)Working time suggestion: no last over 1min to ensure safety(6)Laser range: 500-10000meters(7)Max brightness: >500lm OPERATION INDICATOR(1)Holding the laser pointer、 hold the pointer with your thumb touch switch、 indicator will glow green.(2)Are finished flac natural release、 indicator will be turned off.(3)Long when not in use、 need to switch the lock closed. FOCUSING FUNTION OPERATION(1)Laser pointer is turned on、 focusing first right rotation spot grew larger、 the focus of the closer、 left rotation.(2)Spot becomes smaller、 the focus farther.Focus identification method: rotating focusing head right to make(3)Spot bigger to look at the light beam、 the optical spot Injection Bargraph the smallest point of focus. WARNING: Never point at people and always avoid direct eye contact. Please keep out of reach of children. PACKING LIST(1)1 * laser pointer(2)1 * Star Cap(3)1 * 18650 recharger battery (4)1 * Charger(5)2 * Safety keys(6)Item is simple packed、 no original box