The connection mode of stair induction lamp bar is as follows: 1. Firstly, determine the installation position and length of the light strip, and then fix the light strip on the stair handrail or wall. 2. Connect the power cord of the light bar to the power adapter, and then plug the adapter into the power socket. 3. Connect the power cord of the sensor to the power adapter, and then fix the sensor on the stair handrail or wall. 4. The controller and sensor of the light bar are usually connected through plugs or terminals. 5. Finally, test whether the light strip works normally. If everything is all right, you can start to enjoy the convenience and comfort brought by the intelligent induction light strip.