1、The laser measurement is accurate, the short range can be up to 5 meters and the long distance can be up to 30 meters 2、Stable performance allows you to quickly measure every distance 3、The high-frequency phase system can make the measurement more stable 4. The professional optical filter lens can filter out stray light 5. Fast measurement, each measurement only needs 0.3 seconds Features: 1. The laser measurement is accurate, the short range can be up to 5 meters and the long distance can be up to 30 meters 2. Stable performance allows you to quickly measure every distance 3. The high-frequency phase system can make the measurement more stable 4. The professional optical filter lens can filter out stray light 5. Fast measurement, each measurement only needs 0.3 seconds 6. Built-in lithium battery, full power for about 2 hours, normal charging can be filled to about 80% in only 45 minutes 7. Powerful automatic locking, the strip is automatically locked after being pulled out and