【High Precision】The dual laser transmitters of the laser measuring instrument can complete a series of complex measurements in 0.2 seconds, with a measuring distance of up to 30m, stable measurement data and an error limit of 1/16 inch. 【Easy to Use and Widely Available】The laser rangefinder has only one button, long press to start and long press to measure. It is suitable for measuring room size, window height, furniture size, etc. 【Works with Mi Home APP】The digital tape measure can be connected to your phone via Bluetooth and used with data storage notes, floor plans and actual measurements in Mi Home APP for a better experience. 【Rechargeable and Portable】The laser rangefinder uses a universal Type-C charging interface, which can share the charging cable with smart devices, which is convenient for charging at any time.