1W 445nm blue laser diode driver / 405nm laser driver Developed for the popular 1W 445nm laser diodes Also capable of driving popular 405nm 200mW diodes (NDV45112 diode and SF-AW512P diode) Driver specifications Input voltage :3.7-4.2V Input current :1.6A Output voltage:4.8V Output current:1.1A Size:10.08*22.50mm Driver with spring size :10.08*29mm