The ZD710 MK2 offers four adjustable power settings, ranging from 1,500 lumens to 150 lumens, allowing you to fine-tune brightness and optimize battery life. With an exceptional runtime—lasting from 2 hours 10 minutes to 12 hours across different intensity levels—it ensures uninterrupted illumination for extended dives. The color-coded battery indicator makes it easy to monitor power levels, guaranteeing seamless underwater lighting.