laser measure 229ft m/in/ft laser measurement tool with 2 bubble levels, backlit lcd and pythagorean mode, distance measure, area and volume-carry pouch and battery included avid power specifications:<br> measuring range 0.05-229ft<br> basic measurement accuracy: ±2mm/±1/16 inch<br> measuring unit: m/in/ft<br> display: large lcd backlit<br> laser class: ii<br> laser type: less than 1mw<br> automatic laser off : 20s<br> automatic shutdown: 150s<br> storage temperature: -20°c ~ 60°c<br> operating temperature: 0°c~ 40°c<br> storage humidity: 20%-80%rh<br> battery: 1.5v 2*aaa(included)<br> battery life: 8000 time<br><br> package list :<br> 1 pc * avid power axtg70 laser distance measure 229ft (battery included)<br> 1 pc *user's manual<br> 1 pc *portable bag<br> 1 pc *hand strap<br>