VORTEX DEFENDER-ST MICRO ENCLOSED SOLAR RED DOT SIGHT Tough, adaptable, ready for anything-the Defender-ST(TM) Enclosed Solar Micro Red Dot gives you a no-quit edge on pistols, shotguns, and carbines. Its ultra-rugged, fully enclosed design protects the emitter against impact and the elements, keeping you on target in any condition. Battery and solar power keep it running as long as you do, while multi-reticle customization let you quickly adjust and lock on targets in any light-day or night-across any platform. FEATURES Enclosed Aluminum Housing - Durable 7075 aluminum enclosed housing protects against debris and moisture. Mfg: Vortex Optics