1Designed to measure the frequency and power of radio equipment such as walkietalkies and car radios. 2When using an external antenna, the frequency can be measured in a noncontact manner. 3Builtin dummy load, easy to use, more reliable test results. 4High quality and high performance. Convenient and highly reliable. 5Professional manufacturing, stable performance and high reliability. Condition: 100% brand newItem type:FrequencyMeasuringDeviceMaterial: ABSColor: As picture shownWeight: Approx. 155gFrequency range: 1Mhz-2400MhzRF power range: 0.1W-50WImpedance input: 50Ohm accuracy: frequency is 140Mhz~170Mhz, when 400Mhz~470Mhz, +/- 10%Response time: 0.2s.Working temperature: 0~40Battery: 3 x AAA batteries (not included)Current consumption: about 100mAAutomatic shutdown time: 80s 1 xFrequencyMeasuringDevice1 x Antenna2 x Connecting wire1 x Conversion interface1 x Instruction Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.