Laser Distance Meter Rangefinder Finder Handheld Measure Instrument S2 60m/197ft (Black) Backlight illumination display, easily read data anytime anywhere Its continuous measurement every 3 seconds saves measurement time and improves work efficiency. Super large size LCD display, easily read data anytime anywhere It can store 20 historical data and the data can be callout anytime for calculation purpose. Automatically calculates Area and Volume