SNDWAY SW-331G Laser Level 2 Lines 360 Degree Rechargeable Battery Green Beam Self Leveling Level Laser 3D Rotary Vertical Horizontal Features 1, Fast, accurate and reliable 2, Rechargeable battery 3, Light and practical, easy to carry 4, Operation modes: Self-lev?eling Mode,Manual Mode,Pulse Mode 5, It can be used for Door & window installation, Hanging decoration, Woodworking decoration, Wall construction etc. Specification Item Model:SW-331G Accuracy:±3mm10m Product Type:2 Lines Laser level Leveling Range 4°±1° Laser Type:LD Green 520nm Leveling Time: ≤3s Laser Class:Class II Extension Angle:H&V: 110° Laser Power:15mW×1 Ingress Protection:IP54 Charge Mode:USB-C Charging Socket Power Source:3.7V 1400mAh Li-ion Storage Temperature: -10°C~50°C Operation Temperature: -10°C~50°C Material:ABS Plastic P roduct WeightSize 241g75x64x77mm Type :Vertical & Horizontal Lasers Package Weight Size:500g17.5x15x7.5cm Package 1*Level Meter 1*Users Manual 1*USB-C Charging Cable 1*L-Bracket