Kanlux IRS is a rechargeable stair lamp powered by three AAA batteries. The lamp can operate in one of three modes - ON - permanently on/OFF - permanently off/AUTO - turns on at low light intensity or movement (the lamp has a twilight and motion sensor). You can mount the Kanlux IRS lamp using a tape or two mounting screws (included). A big advantage of the lamp is the ability to install it in places where there is no electrical installation.
