Joinwin&reg; New Lavnav LED Energy-efficient Sensor Motion Activated Toilet Light Battery-operated Night Light Novelty Auto Sensor LED Energy-efficient Toilet Light Supplier With Red Green Light Good home Power: 2pcs AA battery(NOT Included) It turns on when you approach the toilet in dark, and turns off after you leave, shining gentlely. The amazing Lav Lite navigates you to the toilet with a gentle RED light across the bowl with the seat UP, or with a GREEN light when the seat is DOWN. It is smart, energy-efficient light that makes the bathroom safe and easy to use at night. It is a dream to find your way easily and safely without any worries!