Laser system comprising - a rotating construction laser designed to provide a laser light plane upon rotating an emitted laser beam; and - a laser receiver collaborating with the rotating construction laser; wherein the laser receiver is designed to detect the laser beam of the rotating construction laser with a laser light photo sensor having a zero position (z) and providing an electrical output signal when illuminated by the laser beam; the laser receiver further comprising • circuitry designed to receive and process the electrical output signal of said laser light photo sensor and • a communication signal transceiver for communicating with the rotating construction laser using communication signals; and wherein the rotating construction laser comprises a control unit connected to a communication signal transceiver for processing the incoming communication signals from the laser receiver, characterized in that the laser receiver has an acceleration sensor designed to provide an electrical output signal indicating a movement of the laser receiver, • wherein said circuitry is designed to derive the moving direction of the laser receiver with respect to said laser beam by processing and correlating the output signal of the acceleration sensor and the output signal of said laser light photo sensor; and • wherein the laser receiver is designed to communicate ▪ the output signals of the acceleration sensor and the laser light photo sensor and/or ▪ the derived result of the processing and correlation process to the rotating construction laser as incoming communication signals which are then processed by the control unit of the rotating construction laser; and • wherein the control unit of the rotating construction laser is provided with an adjustment unit and adjustment is carried out by the adjustment unit in dependence of the processed incoming communication signals wherein the adjustment unit is configured for at least one of ▪ adjusting a tilt of the laser light plane generated by the emitted laser beam; ▪ focusing and defocusing of the laser beam; ▪ adjusting the intensity of the laser light of the emitted laser beam; and ▪ adjusting the rotation speed of the rotating laser beam. - a rotating construction laser designed to provide a laser light plane upon rotating an emitted laser beam; and - a laser receiver collaborating with the rotating construction laser; • circuitry designed to receive and process the electrical output signal of said laser light photo sensor and • a communication signal transceiver for communicating with the rotating construction laser using communication signals; and • wherein said circuitry is designed to derive the moving direction of the laser receiver with respect to said laser beam by processing and correlating the output signal of the acceleration sensor and the output signal of said laser light photo sensor; and • wherein the laser receiver is designed to communicate ▪ the output signals of the acceleration sensor and the laser light photo sensor and/or ▪ the derived result of the processing and correlation process to the rotating construction laser as incoming communication signals which are then processed by the control unit of the rotating construction laser; and • wherein the control unit of the rotating construction laser is provided with an adjustment unit and adjustment is carried out by the adjustment unit in dependence of the processed incoming communication signals wherein the adjustment unit is configured for at least one of ▪ adjusting a tilt of the laser light plane generated by the emitted laser beam; ▪ focusing and defocusing of the laser beam; ▪ adjusting the intensity of the laser light of the emitted laser beam; and ▪ adjusting the rotation speed of the rotating laser beam. ▪ the output signals of the acceleration sensor and the laser light photo sensor and/or ▪ the derived result of the processing and correlation process to the rotating construction laser as incoming communication signals which are then processed by the control unit of the rotating construction laser; and • wherein the control unit of the rotating construction laser is provided with an adjustment unit and adjustment is carried out by the adjustment unit in dependence of the processed incoming communication signals wherein the adjustment unit is configured for at least one of ▪ adjusting a tilt of the laser light plane generated by the emitted laser beam; ▪ focusing and defocusing of the laser beam; ▪ adjusting the intensity of the laser light of the emitted laser beam; and ▪ adjusting the rotation speed of the rotating laser beam.