laser measure distance 196ft 60m m/in/ft ip54 laser distance meters lcd display backlight laser distance measure with pythagorean mode measure distance area and volume - rechargeable vytoov laser class: 635nm class 2;power output<1mw vytoov sw-da60 is an innovative laser measure with usb charging. the battery lives around 8000 times in a single load measurement. it can be charged quickly in 30 minutes without finding the dry batteries to save your time, improve work efficiency and protect the environment.