1、Any diagonal line can be used within 180°. Both indoor and outdoor can be used. 2、Glass laser cover, good light transmission, low refraction. 3、Remote control,convenient and easy for work,saves more time and labor. 4、Equipped with 3 button for level,vertical and slash laser control. 5、Good water-proof and dust-proof ability,applicable to severe environment. Features: Any diagonal line can be used within 180°. Both indoor and outdoor can be used. Glass laser cover, good light transmission, low refraction. Remote control,convenient and easy for work,saves more time and labor.  Equipped with 3 button for level,vertical and slash laser control. Good water-proof and dust-proof ability,applicable to severe environment. Specification: Item Type:Line Level Voltage:100~240V Plug:AU Plug Light:12 Lines 360° x3 Light Source: LD Green Light  Wavelength: 532mm Accuracy:+- 0.2mm Working Range: 25m Water-Proof Level: IP54 Working Hour:8 Hours Working Temperature:0~40℃ Button:H Key Horizontal Line Switch, V Key Vertical Line Switch, OUT Key Slash Function Button Light Thickness: 1.5mm Installation Bracket Thread Connector:Top 1/4in Bottom 5/8in Battery: 6000mah 8.0Wh Lithium Battery Package List: 1 x Tool Bag 1 x Main Unit 1 x Base 1 x Removable Battery 1 x Hanging Bracket 1 x Power Cord Note: Please kindly make a note if you need any plug adapter.