System Sensor PR-2 10/02 Rear tamper and front cover

Rear tamper and front cover

This labor-saving switch is screwdriver adjustable and includes a protective cover with built-in cable strain relief

The DSC WS4945N wireless door/window normally open contact features a pre-installed battery that is activated by installers through a pull tab

The complete assembly consists of: an armature contact plate with adjustable pivot mounting for installation in the door

System Sensor PR-2 10/02 Rear tamper and front coverPR 1 PR 2 PR 3 are epoxy encapsulated multi voltage relays. They are single pole double throw relays that use a red LED as a visible indication of relay coil energization. PR3 is identical to PR2, except it has an extra pair of wires for redundant power input.