Treytech NOVA PRO Red Dot Sight, 2 MOA Reflex Sight Pistol Red Dot Scope for 21mm Picatinny Rail Mounts, with 12 Brightness Settings, Red Dot Optics Gun Sights for Rifles| Shake Awake & Waterproof

• The multi-coated scratch-resistant lens provides bright and clear views and increases light transmission during low light situations. Sealed with O-rings and nitrogen purged ensures waterproof and fog-proof performance.
• Providing genuine CR2032 battery stands up to 20,000 hours at the lowest brightness setting. Feature motion-sensing illumination tech to help save battery life. After 2 minutes without motion, illumination shuts off. Even the slightest movement will wake it up to the previous brightness setting.
• 12 Red dot brightness settings provide optimal visibility in any light conditions, allowing you to achieve fast target acquisition. Settings 1-3 are suitable for dim or rainy environments while settings 4-9 are better for a bright or sunny day. Settings 10-12 are good for middle days.
• Offers 2 height 21mm rail mount options to meet your need. Features adjustable elevation and windage adjustments to help you achieve pinpoint accuracy, parallax corrected & unlimited eye relief.

TREYTECH is mainly engaged in the R&D, production, processing and sales services of hunting and outdoor products such as scopes, holographic sights, Rifle Bipod, etc. we have been engaged in the outdoor hunting industry for 9 years and we adhere to the technological innovation concept of "Let science and technology burst into power", adhering to customer needs as the core, providing customers with high-quality products and satisfactory services.