658nm 660nm 100mW P-Type With PD 5.6mm With Glass Industrial Laser Diode LD

Q-BAIHE

Title\uFF1A\nYellow 589nm 591nm 593nm Green 555nm 561nm Light Laser Pointer Flashlight Halloween Style Sand table indication Laser Light Source\n\nOutput wavelength:\n555nm 593nm\nSize:\n\n555nm  120x29.5mm \n591nm  123x29.5mm\n\nGear setting:\nsingle gear\nShell material:\naviation aluminum\n\nSurface treatment:\nfine sand matte military green oxidation\nSwitching mode:\nself-locking constant light, off\n\nCircuit control:\n4.2V buck constant current with reverse connection protection\nCircuit efficiency:\nBuck conversion efficiency of 93% or more\n\nSpot form:\npoint\nBeam pattern:\ncontinuous line\n\nSpot size:\nabout 5M <\u03C610-12mm\nFocusing method:\nfixed focal length\n\nFocusing method:\nnon-focusable\nWaterproof level:\nlife waterproof\n\nOperating Current:\n3.7V @400mA\nBattery type:\nrechargeable power cell\n\nBattery Direction:\nPositive pole to the direction of the light, negative pole to the end of the switch\nOperating Voltage:\nDC=3.7V\n\nStarting v: