Features: Support CAN V2.0B specification, the communication speed 1Mb / S 0 to 8-byte data field Standard frame and expand the frame and remote frame 5V DC power supply module, SPI interface protocol control 120 ohm termination resistors. Impedance matching, ensure drive capacity long-distance data transmission against signal radiation Working current: typ. 5mA, 1 microamp standby current. Except the power indicator Working temperature: Industrial grade to 85 -40 Specifications: Color:As picture Quantity:1PC Size:4*2.8cm Package Include:1PC CAN Bus Module Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.