The Titanium TRL-30GS rotary laser level features an ultra-bright green laser beam and is designed and built using cutting edge technology, such as its advanced electronically controlled self-levelling system and the ability to easily set automatic dial-in dual grades/slopes via the wireless remote control.The Titanium TRL-30GS features both horizontal and vertical levelling alignment options and an 800m (diameter) operating range and ±1mm at 30m accuracy. Features Ultra-bright green laser beam Advanced motorised levelling technology Horizontal and vertical operation Dial-in dual grade capable (via remote) 10th decimal place accuracy Manual dual grade capable Scanning mode Speed control Tilt (disturbance) alarm Tripod mountable (5/8" x 11 thread) Specifications Accuracy: ±1mm at 30m (3/64in / 0.04in at 100ft) Laser class: 3 Green Operating range: 800m / 2600ft (diameter) Levelling range: ±9% / ±5° Battery life: 20 hours+ IP rating: 65 Includes TRL-30GS Hybrid millimetre detector & clamp Wireless remote control (100m) Laser target Laser glasses Rechargeable battery pack Alkaline battery pack Power adaptor / indoor charger Hard carry case ApplicationsPlumbing , Plastering , Building , Bricklaying , Concreting, Landscaping, Civil construction.