Representing the next generation of radio frequency detection is our Smart RF Detector. This high quality unit features a 7 digit LCD, ultra sensitive synchronous detector and 16 section bar graph to show RF signal strength. Specifications: ¥ Detects digital and analog signals ¥ 16 Section bar graph to show RF signal strength ¥ Selectable detection ranges: 1Ghz/2.8Ghz ¥ 1 GHz range: 30 MHz to 0.8Ghz ¥ 2.8 GHz range: 500 MHZ to 2.8 Ghz ¥ Sensitivity adjustment ¥ Hold switch to lock display ¥ Low battery indicator ¥ Sensitivity of less than 5mV ¥ 15 dBm maximum input ¥ 9V DC 300mA reachargeable battery power Includes: ¥ AC wall charger ¥ 2.4 GHz antenna ¥ Telescopic antenna ¥ User manual SIZE: 33/4" x 2 3/4" x 1 1/4"