Electromagnetic lock Applicable:wooden door, glass door, fire-proof door Dimension:magnet:185mml*38mmw*12.5mm Dody:250mml*47mmw*27mmd Holding force:600lbs Voltage:dc12v dc24v Power consumption:12v/480ma 24v/240ma 10pcs/carton 22.4kg/cartons 56*29*13cm