Laser Distance Measurer 229ft Handheld Range Finder Meter Measuring Device Tool Tuirel T70M/100M (70M) Special design and simple operation make measurement easier. You can operate it by one hand wherever Powerful Backlight function:you can read data on display clearly in darkness Sturdy and durable,Screw fastening and Kayboard Life&gt;300000 times. Fast shipping from CA, arrive in 3-6 business days!