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states warning cctv measures 7 1/8 x 2 1/8 x 2 1/4 excluding mounting bracket ... highly efficient bug detector the zap 270 is simply the best bug detector ... uhf and microwave frequencies the zap 270 utilizes advanced circuitry designed ... industry these components allow the zap 270 to detect the very weakest signal down ... to baseline ambient levels of radio frequencies rf with a range of 10 mhz ... to 4.5 ghz the zap 270 can detect almost any bug or ... advanced features include directional antenna options analog meter and led displays ... it can be used for far-field beyond 25 feet detection of high frequency ... close in vicinity devices requires 2 aa batteries not included batteries ... a real surveillance camera features zap 270 with directional antenna #zc270 $359.95 ...