Rotary Laser Level Red Laser Self Leveling Kit, 500M Red Beam 360° Automatic Self-leveling Rotary Rotating Laser Level Tool w/ Remote Control & Aluminum Case. Professional and precise Adjustable rotation speed With rechargeable battery and charger With electronic vials and positioning motors Controlled by temperature-stable sensors for auto alignment Specifications: Laser level:class I Output power: 5mw Weight: 11.5lb/5.2kg Water-proof: IP 54 Self leveling range: ±5° Slope-adjusting range: ±5°(bi- directional) Working temperature: -10? 600 rpm Directional-scanning angle: 0°? 180° Remote control distance:about 20m Down point diode accuracy: ±1mm/1.5m Light source: laser diode Laser wavelength: 532nm (Red) Dimension: 63.4″x63.4″x72.5 / 161×161×184mm Measuring range: 500m in diameter(using the laser detector) Leveling accuracy: horizontal: ±20? Hours in continuous use : about 6-8hours Power supply: DC 4.8-6V(4 section of NI-MH batteries or NI-MH rechargeable batteries) Package includes: 1 X Rotary laser 1 X Carrying case 1 X Glasses 1 X Laser target 1 X Receiver and handle 1 X Remote control 1 X Charger 1 X Key of carry case 1 X User manual. This laser level is fully automatical to align, adjust and find a level with 5self leveling range. Strong black carry case with foam for easy carrying and safe storage, remote control for convenient use. Come with a pair of laser glasses to protect the operator’s eyes and easily see the laser in the strong sunlight. Widely used in architecture construction, building constructions, giant equipment installation, elevator installation, indoor decorating and so on. Material: Acrylonitrile Butadiene Styrene. And we will work with you to resolve it to your satisfaction.