Bosch Bluetooth Enabled Laser Distance Measure with Color Backlit Display GLM 50 C ACCURACY: Features long-range measuring with extreme accuracy and measures distances up to 165-feet to within 1/8-inch. UPGRADES: Includes an upgraded color display with back lighting for increased visibility as well as Features Bluetooth functionality to conveniently transfer and store measurements from the laser measurer to a smart device via the Bosch app. ADVANCED: The Bosch GLM 50 Cs built-in inclinometer allows for advances features like angles, min/max, stake out and double indirect. LIVE MEASURING: Provides default real-time measurement that adjusts as you move closer and farther from target, just like a tape measure. COMPACT: Features small dimensions and a handy pocket-size design so the GLM 50 C can fit in any pocket. Class IIa laser product, &lt;1mW power output Built-in inclinometer allows for advances features like angles, min/max, stake out and double indirect Default real-time measurement shows how distances move in relation to the target Functions include real-time length, length, area, volume and indirect