The Bosch Leveling Remote app enables you to conveniently control the Bosch GLL3-330C/CG Professional line laser and the GCL100-80C/CG Professional combi laser via Bluetooth from your smartphone. Using the app you can conveniently control the laser without having to even touch it thereby increasing productivity and efficiency in your daily leveling tasks. Main functions: - Laser control: Standby mode switch receiver mode on/off select the operating mode - Power Control: Laser strength adjustment for optimum visibility and energy efficiency - Status indicator for the battery and further information - CAL guard: Indicates whether the accuracy of the tool needs to be checked due to external influences (physical influences temperature influences) or due to the recommended calibration check interval being exceeded