Trirock Tactical Red/Green Dot Sight, 1x40RD, Compatible with 20mm/10mm Rail Mounts, 5-Level Red/Green Adjustment (New Edition)

New version: The lens cover has been improved for greater convenience and ease of use. The battery cover has also been improved, allowing for easy opening with just a coin. The high-performance red and green dots are available in five levels, making aiming easy even for beginners. To adjust the zeroing, use a flathead screwdriver (not included, but must be purchased separately) to turn the altitude and wind direction dials. Includes a versatile integrated Picatinny Weaver rail. Simply loosen the two screws on the rail mount below the red dot sight and install it upside down to switch between 11mm and 20mm rail widths. Reticle: Red/Green (5 levels each). The 40mm lens aperture tube design provides a wide field of view, making it ideal for both standard shooting and quick targeting and shooting at moving targets. The red or green dots can be adjusted to suit the surrounding conditions for easier aiming. Package: Main unit x 1, cleaning cloth x 1, rail mount x 1, screws x 2, lens cover x 2, instruction manual x 1, hex wrench x 1. Battery: CR2032 (not included).