Supply voltage: 1.8-3.6v Interface: 2MHz 4-wire SPI1 6-bit motion data register Less than 9 mA Power @ Operating mode Internal oscillator - no clock input required Lens focus is not required during lens installation Scope of application:Devices that require far-field motion detection, such as drones;Indoor and outdoor X-Y positioning, especially in GPS-rejected environments Colors: Light Material:PC+Metal Package Contents: 2 x Optical Flow Sensor Module(Due to different product batches, the appearance may be different, which does not affect use.) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.