btnx Glass coating surface detection instrument low E insulated glass film measurement pen P9M4Y

Product descriptionWidely used for: measuring insulating glass, LOW-E surfaceProduct name: film measuring penPower distribution method: batteryProduct advantages1. Professional design, stable and durable2. High-quality materials, energy-saving and environmentally friendly3. Simple appearance, beautiful and practical4. Simple switch, pen tip is made of metal material5. Indicator light, red and green light prompts, and the detection results are more intuitive

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