Smart toilet line / smart toilet line

We will find it very troublesome that waste long time on queuing for toilet. Especially in the scenic spots and concerts. The line number is very difference between men and women.It is often in short supply for ladies’ room number. Therefore, we install infrared sensors and LED lights on the door to solve this problem. When the number of women in line is more, the light on door will change color to ensure the balance the amount.