The Sensormatic ScanMax Pro Doublechecker is designed to detect and confirm the presence of active Ultra•Max Electronic Article Surveillance labels. The Doublechecker can be installed under conveyors, under counters, or on counter tops, either parallel or perpendicular, as needed. The unit can detect labels up to 20 cm (8 in.) above the surface of the pad at a throughput speed of up to 254 cm/sec. (100 in./sec.). Specifications : Operating Frequency 58 kHz (±200 Hz) Doublechecker Dimensions LxWxD: 35 x 23 x 2.9 cm (14 x 9 x 1.1 in.) Controller Dimensions HxWxD: 10.1 x 26.2 x 22 cm (4.0 x 10.3 x 8.7 in.) Features • Performance. The unit’s performance height is designed to provide fast, reliable detection. • Audible and visual label detection confirmation. A remote module with key switch provides visual and audible notification of label detection. • ScanMax Pro Controller. The Controller can be mounted either vertically, horizontally, or upside down. The unit features auto phasing capabilities to help ensure optimal detection performance.