1 Composed of 14 numeric keys (triangle, circle, cross, square, R3, L3, R2, L2, R1, L1, TURBO, SET) 2 Clear cache: press and hold the SET button for 5 seconds, the LED will change from blinking to Turn off 3 Memory function: Insert the handle again andstill keep the last programmed function Factory default has node definition 4 Turbo function: Press this step function to repeatedly start M1/2 and turbo color keys for the same time, "Note: 1 Due to display and lighting effects Different, the actualcolor of the item may be slightly different from the displayed color Picture 2 Please allow 1-3 cm error due to manual measurement (1 inch = 2 54 cm) Thank you for your support :) Shipment Quantity: 1 Piece Package Contents: Only the above package contents, excluding other products. Size: 3.9*2.3 inches (Reminder: The size is measured by hand, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.)