30m Smartphone APP Connection Digital Laser Distance Meter Range Finder

Features: Never point the laser beam at yourself or someone elese,especially in the eye LCD display with backlight no dead ends,can alsowork at night Fully enclosed soft keys High-precision molds housing complex beer Drop waterproof and dustproof Basic functions: distance continuous measure: Yes delete function button: Yes max/Min: Yes extension chip: Yes screen rotation: Yes rectangle area: Yes square volume: Yes backlight: No data storage: dynamic 10 groups sound indicator: Yes Specifications: Version: basic Model: S30 Measure range: 0.05-30m Accuracy: +-1.5mm Measure speed(continuous measure): 6-10times/sec Battery: 2 x AAA (not included) Operating temperature: -0C to 40C IP code: Ip54 Free Sketch App: Yes Weight: 62g Dimension: 120 x 37 x 21mm