Specification: Real-time sampling rate: 200MSa/s Number of channels: single channel (JDS2012A), 2 channels (JDS2022A) Bandwidth: 20MHZ Vertical resolution: 8 bits Input range: 10ns-55 (1, 2, 5 step) 100ms-5s (scan scan) Vertical accuracy: + / -3% Impedance: 1MΩ 25pF Coupling: DC/AC Display mode: Y-T Time base range: 10ns-5s (1, 2, 5 step) 100ms-5s (scan scan) Storage depth: 2K (JDS2012A) / 4k (JDS2022A) Trigger mode: automatic, normal and single Trigger type: rising edge, falling edge Automatic detection: support (50Hz40MHz) Screen: 32 inches, 16-bit true color, TFT, 320*240 Battery: 3000+MA lithium battery (single battery works continuously for about 5 hours) Dimensions (LxWxH): 202mm x 100mm x 35mm JDS2012A: Full scale reading: 4000 counts DC voltage: 40.00mV, 400.0mV, 4.000V AC voltage: 40.00V, 400.0V /40.00mV, 400.0mV, 4.000V Resistance: 400.0Ω, 4.000KΩ, 40.00KΩ/ 400.0KΩ, 4.000MΩ, 40.00MΩ Capacitance: 51.2nF, 512.0nF, 5.12uF/51.2uF, 100uF (305e) Diode 0v-1.5V Sound when continuity detection is lower than 60Ω Package list: JDS2012A 1 *oscilloscope(battery not included) 1 * CD 1* probe 1* lithium battery charger 1 * USB cable 2* multimeter test cable 1* screen dust mask 1* locating sleeve 1* probe hook 4 * marking ring 1 * black bag JDS2022Asame as above, without multimeter test cable, but has following things 2* locating sleeve 8 * marking ring 1* probe adjust tool