Our pocket size Personal Radio Frequency Detector locates stuck transmitters or bugging devices in a room or automobile. This personal RF detector excels at silent detecting of RF signals for RF security and counter-surveillance applications. Specifications: • Internal NiCD battery pack • Detects analog signals • Vibration motor and earphone for private detection • 5 section bar graph to show relative RF signal strength • Low power consumption • 1 MHz - 6 GHz Frequency range • Sensitivity adjustment • 9V DC 300mA power Includes: • AC wall charger • 2.4 GHz antenna • Earphone • Users manual SIZE: 3 3/4" x 2 3/4" x 1 1/4"