Product Description The device can measure the distance and the peed while showing the clear images, and have some advantage such as high precision, short ranging time, visual display, low consumption and auto power-off. The device is safe to the eyes and the body by using 905nm laser and multi-coating lens,and it can be used in several fields like the electricity,the safe guard,the golf and the forest. model APL-LRM600m/800m/1200m Measuring range 800m/1200m Flagpore Lock available Fog available Speed measuring available Height Measuring available Angle Measuring available Golf Ballistic Correction available Indication error 1m Protection level IP54 Height measuring available Flagpole lock available Data storage NO Telescope magnification 6X Laser Wavelength (nm) 905 nm Peak Power of Laser (W) 75w Receiving Objective Aperture (mm) 24 mm Objective aperture 24 mm Eyepiece aperture 16 mm Laser Safety Level CLASS 1 Unit M Y LCD Monitor Available Battery CR2 3.0Vx1 Weights (g) 162 (without battery) Item Size (L x H x W) 120x75x41mm Packing Laser Rangefinder, Instructions, Coin (without battery) Warranty 1-year Packaging Shipping Packing: 1 x Lase Range Finder (description exceeds maximum possible length)