Estes 2232 AltiTrak Altitude Finder – Model Rocket Altitude Tracker All 6 spools are contained

All 6 spools are contained in a cardboard dispensing box

Four AA alkaline batteries required for controller (batteries not included)

Hardware-Based High Speed Pass/ Fail Function

With this collection you may never be left waiting and paying for someone to work on your computer again

Battery: 4 x CR2032 (included and Replaceable)

Estes 2232 AltiTrak Altitude Finder – Model Rocket Altitude Tracker All 6 spools are containedQuickly tells you how high your rocket flies Follow the rocket in the sights to apogee and release the trigger to lock the reading Easy to operate and read height instantly in the pointers window (metric) Measures altitudes as high as 1,300 feet (396m) Conversion table printed on package Great for Clubs or Schools How high did it really go? Next time, measure it with this easy to use device. Pull the trigger, follow the rocket in the sights to apogee,