18 Meters Battery Operated Laser Meter with LCD Display - Orange Color_Ice Blue and it will lights up

and it will lights up automatically at dark when it is on ON mode

such as pen

As it is flameless and smokeless

For DJI Phantom 2 Phantom 2 Vision Phantom 2 Vision+ Quadcopter

Made of reflectors PVC material

18 Meters Battery Operated Laser Meter with LCD Display - Orange Color_Ice Blue and it will lights upKey Features Features low battery indication Operation Temperature: 0 50 Working frequency: 40KHz Measuring range (m): 0. 5 18 Powered by a 9V alkaline battery (NOT included) Size (cm): 15. 5 (L) x 6. 9 (W) x 4. 6 (H) Package includes: Distance Measure x 1 Description This 18 Meters Battery Operated Laser Meter with LCD Display can be widely used in construction and industries. The measuring range of this ultrasonic distance measurement is from 0. 5m