... Brand Three working modes: Drop counting control,Rate control and time control mode 8 Hours internal battery life in high capacity ... has been set, Empty container, Occlusion, Door is open, waiting time Over, No drop been detected, Operational errors, Low battery, other ... 100 to 240V±10%,50/60HzInternal LI Battery: 11.1V, 2000mAh. 8 Hours of continuous operation on a new fully charged battery with the ...