Vector Optics Frenzy Plus 1x18x20 Enclosed Solar Power Multi-Reticle Red Dot. It features an enclosed design, resembling the popular ACRO. It has 10 brightness levels, motion sensor, 3 different reticles, a solar panel, IP67 waterproof and 50,000 hours of battery life.
Specifications:
Window Lens Size: 18 x 20 mm (0.7" x 0.8" inches)
Length: 46 mm / 1.8in
Width: 32 mm / 1.2in
Height: 34 mm 1.3in
Weight: 81 g / 2.9oz
Parallax Adjustment: 100 yards
Adjustment Range: >45MOA
Dot Size: 2MOA dot, 40 MOA circle, and 52 MOA circle with a dot
