The prox tag is great for people who have troubles remembering codes or those users that don't interact with the system regularly such as a relative or neighbor.

• The PT4 proximity tag uses DSC technology to activate and deactivate the system
• Battery life of 8 years
• Works in conjunction with the WT5500P only
• It replicates a code on the system to arm, disarm and enter user functions
• Diameter of the main body 1.35 inches