Features At A Glance Has Hornady 4DoF Ballistics Solver built in to this meter Choose from a long range of match and hunting style bullets from Hornady Accounts for all variables that affect bullet trajectory Easy mode to get started quickly Rugged (drop tested to MIL-STD-810G standards), waterproof (sealed to IP67 standards). Protective pouch, neck lanyard and Lithium AA battery included. 5-year warranty. Long Range Accuracy is within your reach with the Kestrel 5700 Ballistics Weather Meter with 4DOFA(R). The Kestrel 5700 is a tremendous value in full-featured ballistics calculators. This integrated weather meter and ballistics so Mfg: Kestrel