How do I contact Sightmark Tech Support? To contact us, please submit a request or give us a call at 817-383-1163. Our hours are Monday-Friday from 8am-5pm CST. Related articles What is Sightmark's Warranty & Returns Policy? Sightmark Wraith HD/4K Series Firmware Download and Installation Guide How do I get a Return Authorization number? What is Sightmark's Complete Returns Process? Wraith Mini Thermal - User Manual