Specifications: Model (2C42/2C72/2D42/2D72) Appearance: box Appearance dimension: 199x98x40mm (L x W x H) Product weight: 624g Product color: black Bandwidth: Hantek2D72& 65306;70MHz Hantek2D42& 65306;40MHz Hantek2C72 & 65306;70MHz Hantek2C42& 65306;40MHz Number of channels: Hantek2D72: 2CH oscilloscope++multimeter+signal source Hantek2D42: 2CH oscilloscope+multimeter+signal source Hantek2C72: 2CH oscilloscope+multimeter Hantek2C42:2CH oscilloscope+multimeter Sampling rate range: 250MSa/s (single channel), 125MSa/s (dual channel) Waveform interpolation: (sin x)/x Record length: 6K for single channel and 3K for double channel Horizontal scale range: 5ns/div~500s/div 1,2,5 steps AD converter: 8-bit resolution, simultaneous sampling for each channel Vertical scale range: 10mV/div~10V/div at BNC input Analog bandwidth: 20MHz Low frequency response (- 3db): s10Hz at BNC Rise time: ≤ 5ns Vertical gain accuracy: ± 3% under "normal" or "average" acquisition mode Note: When using X1 probe, the bandwidth is reduced to 6MHz Multimeter (DMM): Hantek2D72: Yes Hantek2D42: Yes Hantek2C72: Yes Hantek2C42: Yes Signal source (AFG)& 65306; Hantek2D72: Yes Hantek2D42: Yes Hantek2C72: None Hantek2C42: None Product accessories: Hantek2D72: probe * 1, clamp wire * 2, Type C wire * 1, Type C wire * 1, multimeter * 1 pair Hantek2D42: probe * 1, clamp wire * 2, Type C wire * 1, Type C wire * 1, multimeter * 1 pair Hantek2C72: probe * 1, clamp wire * 1, Type C wire * 1, Type C wire * 1, multimeter * 1 pair Hantek2C42: probe * 1, clamp wire * 1, Type C wire * 1, Type C wire * 1, multimeter * 1 pair