Perimeter Security Detection Wireless System

Perimeter security detection wireless system 2 stations 6 solar powered sensors. Two stations so system can be monitored in two living areas. 6 sensors. I purchased but sold house/property before installing. I bought 6 sensors to triangulate the property around my home for complete coverage/security. Triple beam sensors reduce/eliminate false alerts. Stations can be programmed to discern which zone has been tripped. Comes with all mounting hardware 6 sensors and 2 stations and instructions. See pictures for detail. Will ship in 3 flat rate boxes. A concern was raised that batteries may not be good anymore. Maybe so. I opened up one sensor and checked battery availability and cost (see pictures) If batteries are no longer viable they all can be replaced for $30 or less. The 8 pack listed on Amazon was the first place and ad I saw. Phillips head screws and batteries pop out like any devise with AA batteries. Note: Top two charges on invoice for this set. The 2 lower amounts on invoice are for separate system I also have currently listed.