Handy type oscilloscope with digital multimeter function Frequency band: 20MHz Frequency band: 20MHz Frequency band: 180 Depth (mm): 400 Power supply (V): AC adapter, rechargeable lithium battery (included) Frequency band: 20MHz Number of channels: 2 channels Power supply:交流适配器,可充电锂电池(包括) 高度(mm):180 深度(mm):40 宽度(mm):118