LED Type : 3W OSRAM High-Flux Golden Dragon X Plus LED Batt : 4.8V, Ni-CAD 2.0AH Mode : Non Maintenance Operating Duration : 2 Hours Charge Monitor : Red LED (3mm) Main Supply : 220-240v/50-60 Hz Dimension Module: 230mm(L) x 41mm(W) x 39mm(H) Dimension Hole : 68mm