Size: 145*55*4cm Voltage: 220V : 20%; 50HZ Trouble-free time : 80,000 hours Integrated Visual and Audible Alarms Available in Single, Dual or Multiple Aisle Alarm Rate: 98% (16cm cobalt-based strip) Detection Range: High: 5-155cm; Wide: 75-120cm Signal Processing: Digital-DMPD; DSP Multi-filtering Extension: Combination with monitor, access control or RFID Compatible with all EM security strips including: 3M Tattle-Tapes, Dialoc Tail Tags, VIKO EM Security Strips