Specifications and features:
Bushnell Holosight
Illuminated crosshair reticle
1/2 MOA
20 brightness levels
Instant target acquisition
Intensity memory
1/2" eye relief at 10'
Unlimited field of view
1x magnification
On/off button
Low-battery warning
Waterproof, fogproof and shockproof
Automatic shut-off
Mounts to standard Weaver rail
Uses 2 N-type 1.5-volt batteries
4.125" long
6.4 oz.
2-year warranty

For warranty issues, contact 800-423-3537