Thank you for taking the time to look at our products. Qual-Tron, Inc. has been in the ground sensor business for over 25 years. Our systems have been field tested and proven for all environmental and terrain conditions by military and government agencies. Each unit is rigorously tested with multiple in process inspections and all electronic components are potted and sealed to ensure the highest quality products. All equipment is Commercial Off The Shelf (COTS) components which ensures you receive the most economical system available.