WGC Shop are expecting the Holosun HS507C Mini Circle-Dot Solar Power Open Reflex Sight to be available this November. It's solar powered as well as an option to use a CR2032 battery especially in low light conditions... "We are pre ordering a new reasonably priced ultra light weight mini red dot presented by Holosun, will be available in November.

Features:

• Up to 50,000-hour battery life
• Automatic reticle intensity adjustment in Solar Mode
• 3 Reticle options: 32 MOA circle with 2 MOA dot, 2 MOA dot only, and 32 MOA circle only
• Shake Awake - Motion on with last setting recall
• Parallax free, unlimited eye relief
• IP68 certified waterproof rating

Specifications

• CNC milled 7075 aluminium housing
• 0.5 MOA windage and elevation adjustment per click
• 10 daylight and 2 light vision compatible reticle brightness settings
• Powered by 1x CR2032 battery
• Window size 0.7 x 0.9 inches
• Weight 69g with lowest Picatinny mount base and battery, 41g with battery only"