What is the life of the battery in the light bar
With alkaline batteries, expect up to 6 hours of continuous light. Much longer when used intermittently.
How many light unit is the remote capable of operating at one time. Looking for an under kitchen cabinet application to light up the countertop.
You can control up to 5 lights. Please remember if some are in opposite sides of a room they may not all turn on or off at once as the remote is directional.