1500m Telescope Sensor Small Binoculars TTL Are you interested in this laser telescope rangefiner product? With 905nm Eye-safe laser, this is our new series small binoculars sensor with 1500m ranging capability, good for golf hunting, desert exploration, night-vision, thermal imager, constructionbuilding, power industry etc. Question: Hello dear, can you show me what is different between M703A and TC25 ? Answer: We're going to talk about the three aspects: 1. The shape: TC25 is a small cylinder, while M703A is kind of a small cube. 2. Parameter: TC25 measures a long distance of 3-1000m/1200m(1500m max) with ±1m accuracy, using pulse principle. While M703A, using phase principle, measures 0.03-40m with 1mm high accuracy and 0.1mm resolution. So the range, accuracy, resolution, ... all differ from each other. 3. Application: M703A may apply to high precision, short distance measurement. TC25 is most for outdoor use, like night vision, gun sight, thermal imaging, monitor, etc.…