• • The new HE508T Micro Red Dot System from Holosun is a pistol-sized optic with an open frame for a great sight picture, clear glass and a indestructible CNC machined Titanium housing. It is powered by a battery and Holosun's innovative Solar Fail-safe back up. The HE508T will run up to 10 years on a single battery on setting 6, dot only. Featuring our Multi-reticle system, the HE508T allows the operator to switch the reticle between a 32 MOA circle with 2 MOA dot, a 2 MOA dot only, , all at the push of a button. Better yet, the same LED projects all three reticles, so no re-zeroing is necessary. It comes equipped with Holosun's Shake Awake technology with last setting recall. This optic has our features in one tough, small package. . . . Features of Holosun: . - Parallax free optical design, with unlimited eye relief. - Multi-reticle System. - Shake Awake technology with last setting recall. - Solar cell and high capacity battery provide dual power supplies. - Industry standard footprint for your pistol mounting needs. - Fits same footprint as the RMR. - CNC machined Titanuim housing.