The Honeywell EMPS85B01 is a Brown 4 Wire Magnetic Shutter Contact including tamper loop.
The features of the EMPS85B01 are:
When the magnets are close together they provide a closed circuit, once taken away from each other it will be an open circuit.
Surface mount via 5 screw terminals
Brown ABS plastic
Gap distance of 20mm
EN50131-2-6:2008 Security Grade 1, Environmental class I.
Switch dimensions: (H) 64 x (W) 14 x (D) 12mm
Magnet dimensions: (H) 64 x (W) 14 x (D) 12mm