1.Can be operated in measurement of output power with nw, uw, mw, dB and dBm readings function 2.Optional RS232 Remote Control Interface 3.0.01dBmu precision 4.Can be used for absolute power measurement and relative measurement of link loss. 5.Compact design, portable, light weight, energy-saving 6.Battery for power supply 7.Large LCD display screen, helpful to your eyes. Weight:450g Dimensions 14.0í-7.8í-3.8cm