Features: 1. With LED lights. 2. Can laser lines 3. Can horizontal laser lines 4. Can vertical laser lines 5. Can laser spot<br><br>6. Can horizontal laser vertical lines 7. With a tripod, you can adjust level 8. There are two water drops, which can be measured horizontally and vertically. Specification: Product Name: Infrared Laser Level Meter Power supply: 3 1.5V batteries (battery not included) Scope of application: wire Accuracy: ±0.5nm/m Laser wavelength: 630nm-680nm Range: about 6-8 meters red light is only used for indoor measurement Color: Silver Material: Metal+ABS<br><br>Package Contents: 1 x Laser Level<br><br>Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.