The Contender's clean design and thoughtful innovations make it a tremendous buy for the experienced shooter, longer ranges with faster recovery, range estimation, and better target identification.
It's only $90+shipping fee which is really high quality.
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Features:

• Waterproof, fog proof and shockproof.
• Sunshade included.
• Metal dust covers.

Specifications:

• Magnification: 3X-12X
• Obj. Lens Diameter (mm): 40
• Exit Pupil Range (mm): 13.2-3
• Field of View @100yds: 31.4-8.3
• Optimum Eye Relief (in): 4
• Parallax Setting: 10 to Inf
• Click Adjustment Value: 1/8
• Adjustment Range: 45-45
• Weight（kg）：0.85