The FX Keller Digital Manometer can be used to replace the pressure gauges on the FX Impact M3 PCP Air Rifle and features incredible and consistent precision in a digital display format. The ability to determine the correct pressure is very important when tuning the air rifle for optimal accuracy. The lithium battery is easy to change and will provide up to 3 years of service life.

• Replaces factory analog gauges 
• Removable lithium battery with up to 3 years of use
• Compatible with all models of the FX Impact M3 PCP Air Rifle
• Made in Germany