Product Name: Dual Grade Rotary Laser Level Green Laser (SRE-207G) Model NO.: SRE-207G Horizontal Line: 1 Vertical Lines: 1 Accuracy: 1mm Precision: +/- 1 mm @ 10 M Slope Range: 8.00% Self-Leveling Range: +/- 5 Degree Working Range: 500m Trademark: PRO LEVEL Transport Package: ABS Carrying Case Specification: CE Origin: China HS Code: 9015800090 Product Description Rotary laser level SRE-207G: Green automatic leveling dual gradeFeatures of rotary laser level:* Rotary laser level Digital Gradient Setting: Deviation From The Horizontal Plane Can Set Digitally in X and Y Axes.* The range is from -8% to +8%* Sensor-Automatic: Electronic Positioning Motors Controlled by Sensors Make Horizontal Alignment Automatically.* H. I. (Tilt function) alert Protection, alarm system In slope mode* Speed of Rotate Head: 60; 120; 300; 600 R. P. M* All Settings Are Presented on The Large LC Display.* Robust Waterproof Housing.* Automatically Self-Leveling in Both Horizontal and Vertical by Step Motor Control;* Wide Leveling Range of +/-10% for Fast Setup.* All Functions Can Be Controlled With The Remote Control From a Distance of up to a Maximum of 70 M.Specifications of rotary laser level:* Accuracy: ± 20"(± 1 mm @ 10 m)* Slope range: ± 8.00%* Automatic self-leveling range: 5°* Four head speeds: 60; 120; 300; 600 R. P. M.* Four scan widths: 10° ; 45° ; 90° ; 180°* Operation range: Dia. 500m (with detector)* IR Remote control distance: 20m (Standard remote)* Power supply: DC 4.8-6V(4 sections sub-C Ni-MH battery)* Battery pack replaceable(Ni-MH battery pack or Alkaline battery pack, optional)* Dimension: 160(L) X 160(W)X 185(H)mm