1. Programming function settings: Press and hold the SET key for 2 seconds, the corresponding LED will flash quickly (4HZ), and then short press the M1 or M2 key. The LED lights will flash slowly on the corresponding function screen in sequence (the order of lights is X, , , , R3, L3, R2, L2, R1, L1). Then press the SET key once, and the corresponding functions will be mapped to M1/2; 2. For example, when entering programming mode, press the M1 key to display the LED on R1, then press the SET key again, the LED on R1 will become permanently lit, and the M1 function will be R1; When programming M2, it is similar to the above class. 10 as button function indicator lights, indicating the function of programming buttons and displaying 2 LED lights. 3. Cancel function: Press and hold the SET button for 5 seconds, the programming indicator LED will change from flashing fast to off, and the M1/2 function will be cleared. At this time, the button has no programming function. 4. Programming key memory function: Insert the back key extender into the handle. If M1/2 has no function, LED1 will flash slowly (2HZ) for 3 seconds and then turn off. Long press the SET key to enter programming mode, and LED1 will flash quickly; If M1/2 remembers the last programming function, the corresponding LED light will remain on. 5. Programming function before power-off to save memory; Inserting the handle again still retains the previous programming function, and there is no programming function by default at the factory. Type:for Strike Pack Controller Turbo function setting: Press and hold both the function button and Turbo button simultaneously, then the function button has Turbo burst function; Pressing the above combination of keys again will cancel the Turbo function of that key. If the Turbo function is set, the LED corresponding to e function will flash (4Hz) after pressing the button Due to different batches, the appearance, color and printed words of the product , which will not affect the use. Colour:Black Material:Plastic Package Contents: 1 * Controller 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.