This is 600 lbs. holding force Magnalock with automatic dual voltage. This is recommended for applications where physical assault on the door is not expected, like access controlled interior rooms and secure areas within buildings.
Patented instant release circuit - no residual magnetism
Surface mounts easily with a minimum of tools
Fully sealed electronics - tamper proof and weatherproof Mounted using steel machine screws into blind finishing nuts
Architectural brushed stainless steel finish (US32D/630)
All ferrous metal surfaces plated to MIL specification