QS4000. Checkpoint QS4000 Refurbished 2 Pillar 8.2 MHz, 1 pedestal system with up to 6' coverage(3' in each direction.) This system provides high performance. Large retailers with heavy traffic numbers find the QS4000(R) delivers a reliable warning of unauthorized removal of protected merchandise to store personnel. Measures 21"W x 66"H. This retail store security system also includes 6 month parts warranty and 5 years free tech support from one of our security specialist via telephone. Regular price: $1999.00 Special Internet Price $999.00 This security system also includes 6 month parts warranty and 5 years free tech support from one of our security specialist via telephone. Price: $ 1,550.00 Unit: 2 pillar Quantity: