power saving switch use by card wholesale GuangZhou saving power for hotel room light on within 15s after taking out switch power saving switch use by card wholesale GuangZhou  It is easy to cooperation and saving the power. When you enter the  room, insert the card into theenergy saving switch or engery saver, then can get the power for the room. When you come outthe room, fetch your card, then all the power will go off. Performance&Specification of power saving switch use by card ColorWhite (Standard)Voltage110v-220v(Standard) other voltages can be customizedElectric current30A (Standard)  other voltages can be customizedTime15SEC (Standard)Dimensionlength 85 * W 85 *high 45 (mm)Case Materialfireproof PC plastic illustration for  power saving switch use by card  power saving switch use by card: CE power saving switch use by card is ecomonical and effective in power-saving