Bosch GLM 50 C Bluetooth Enabled Laser Distance Measurer with Color Backlit Display Whether it's the upgraded backlit color display or Bluetooth technology that's compatible with both Bosch free apps (Measure & document and floor plan), this is a laser measure that's ready for anything. The Bosch GLM 50 C packs a lot of functions, including the basics of real-time length, length, area, volume and indirect. All-around soft grip protection on the GLM 50 C helps the device last longer by protecting it from damage. The laser measure's easy-to-use keypad ensures quick operation and the illuminated display provides better readability of measurements. The GLM 50 C can generate up to 10,000 measurements per battery supply. Range is 165