The LOX EM4500 has been designed with a fully enclosed stainless-steel housing. It is one of the most reliable locking devices for true external applications exposed to wind and weather. The EM4500 lock is IP67 rated and a proven locking solution in the harshest environments around Australia. It has a holding force of up to 200kg a dual fixing arrangement (front and header mount), a built-in varistor surge protection and accepts dual voltage of 12VDC and 24VDC.