The advanced design of Rasan Tarnem's eye's sensor has resulted in changes in the ocular function distance based on the standard distance, and with the passage of years and the effect of reducing battery power, it will not need manual adjustment.
If the valve is permanently connected to the power supply, the battery power will not be consumed and will only enter the circuit without interruption
Rhine model of eye valve To increase the speed and ease of replacing the batteries, they are placed inside the control box and outside the valve body.