360 Self-Leveling Rotary /Rotating Green Laser Level Kit 500M Diameter Range. Strong carry case with foam for easy carrying and safe storage. All functions can be used with remote control, which make leveling tasks fast and accurate. This laser level is fully automatical to align, adjust and find a level with ±5°self leveling range. Come with laser glasses to protect the operator’s eyes and easily see the laser under intense sunlight. Widely used in architecture construction, building constructions, giant equipment installation, elevator installation, indoor decorating and more. 5 degree self levelling range. Rechargeable battery and charger. Electronic vials and positioning motors. Controlled by temperature-stable sensors for auto alignment. Self leveling range: ±5°. Light source: green laser diode. Slope-adjusting range: ±5° (bi-directional). Down point diode: accuracy: ±1mm/1.5m. Spinning speed: 0? 60? 120? 300? 600 r. Remote controlling distance: approximately 20m. Leveling accuracy: horizontal: ±20? /vertical:±20? Hours in continuous use: approximately 6-8 hours. Directional-scanning angle: 0°? 10°? 45°? 90°? 180°. Measuring range: 500m in diameter (using the laser detector). Dimension: 63.4″x63.4″x72.5/161(L)×161(W)×184(H)mm. Power supply: DC 4.8-6V(4 section of NI-MH batteries or 4 section of NI-MH rechargeable batteries). 1x Strong Carrying Case. 1x Receiver & Handle. 1x Key of Carry Case. When the instrument is upright, it can create a horizontal plan and a plumb line. When lay it down, the instrumetn can creates a vertical plan and horizontal line. PO BOX address is not acceptable. Please make sure the address is correct before you pay. We have warehouses in the USA. Buyers pay for return cost. If there is a problem with product quality, you can. E-mails are answered Monday through Saturday. Please allow up to 48 hours for a response to your message.