Real-time measurement, one-button operation: After starting the product, short press the power/measurement key to display the current distance in real time, single-button design, easy operation, good interactive experience, measurement accuracy 1/16-in (2mm), harmless dual laser head, 0.2s instant response, higher efficiency. Bluetooth connection application and five modes: Connect it to the mobile phone's application via Bluetooth and access extended memory, design blueprints, and perform photo annotations. The 5 modes include measuring distance, angle, angle height and area, and activating a virtual ruler. If the product is inactive for 180 seconds, it will automatically turn off. LCD color screen and long-distance measurement: The large 1.8-inch LCD color screen displays power, connection status, mode, measurement history, units, and other data. The data is intuitive, so every measurement is clear and concise. The measuring distance can reach 164 feet (50 meters) for a variety of applications. Switchable between M/In/Ft, freely adjustable. Type-C Rechargeable and High Capacity Battery: Universal Type-C charging port, you can share the charging cable of mobile phones and other 3C electronic products, and there is no need to replace the battery frequently. The tool will not measure during charging. Upgraded to 850mAh ultra-high capacity lithium battery. After fully charged, it can measure up to 2000 times. Mini size and light weight: Mini size, weighing only 90 grams, comfortable to operate and easy to carry. The innovatively designed laser measurement is very suitable for large areas such as rooms, apartments, buildings, real estate, factories, warehouses, etc.