Features: Brand new and high quality Handheld signal generator can generate sine waves high frequency and low frequency waveforms Used as a signal source and a frequency sweeper. It supports any frequency and power LCD can display modes selection, channels, power, frequency and step Can be widely used in information and communication, corporate research, student laboratories, etc. Designed for electronic engineers and professionals in the field, a must have tool for anyone working with signal sources and frequency sweeper. Specifications: Material:Metal Type:SG6A/SG6B Frequency range: CH1: 0.01Hz~40MHz; CH2: 23.5MHz~6GHz Power range: -35dBm to +5dBm Power step: 0.5dBm Frequency step: 0.01Hz Frequency accuracy: 0.01Hz Sweeper width: Adjustable at any frequency Sweeper step: Adjustable at any frequency Sweeper time: Adjustable at any time Error: <0.01% Built in battery: High capacity battery External supply voltage: 3.3V~6.5V Battery life: > 5 hours Charging time: < 3 hours Power supply interface: TYPE C Operating temperature: -40°C to +85°C Size: 96x68x16mm/3.8x2.7x0.6inch Weight: 200g/0.4lb Package Includes: 1 Set Signal Generator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.