A lot of thought was put into making this vane mount for the 5000 Kestrel series . It's simpler design than the last and much more durable. The meter snaps right into it and will mount to any tripod or other 1/4-20 fitted bracket, allowing use of an extension pole for taking wind or air flow readings. This turns your Kestrel into a full-featured weather station with a large wind vane and precision pivot that keeps the Kestrel oriented into the wind for continuous measurement and logging of wind speed, wind direction, and all other key weather parameters. Note: These are included with the 5400 LINK & 5500 LINK models. Includes Vane Mount Pouch that will fit both your Kestrel 5000 series meter and the Vane Mount. An internal battery loop (as well as little pocket) secures extra AA batteries and a snap-strap on the rear secures the kit to your belt or pack. The idea here is you have a portable weather station. Vane Mount Kit in case : Weight: 10.5 ounces / 295 grams Size: 2.5 x 3 x 8.5 inches / 6.5 x 7.5 x 22 cm