* 1V1H green laser level with line lock function

* Two laser diodes, it could work in 1V or 1H or 1V1H lines

* Laser wavelength: 520nm

* Line accuracy: ±1mm/5m

* Self-leveling range: ±4°

* Working range without detector: 25m

* Laser class: II

* IP rating: IP54

* Working temperature: -5~45℃

* Power supply: AA battery