Floor lamp Distance: 2-2.5m. 2.5-3m Work for: MDA poker analyzer, V68 poker scanner, AKK poker reader, GPS all-in-one, K3 developed model analyzer Power: DC Power last any hour you want,no need to charge, no need to change battery. Camera can adjust zoom + and zoom -, with motor built in, can make the camera up and down, left and right.