... EM card cabinet lock,exquisite apperance ,can be used for the handle,two open door solution,emergency power supply. ... will indicate there is obstruction.Deadbolt functionTechnical Data Weight: 350gDimension of faceplate: 58*50 *13(mm)Power:6V(4 5# ... spot,golf course,gymnasium locker,enterprise,school,hotel, supermarket storage cabient,etc EM card cabinet lock for sauna center,school,office (LK-EM528S)