Technical Specifications Temperature Measurement Range: -10°C to +400°C IR Measuring Accuracy: ±3.0°C Thermal Sensitivity (NETD): ≤50 mK IR Sensor Resolution: 160 × 120 pixels Number of Measuring Points: 19, 200 Display: 3.5-inch TFT Display Resolution: 320 × 240 pixels Field of View: 53° × 43° Minimum Focus Distance: 0.3 m Image Format: JPG Internal Memory: 500 images Data Transfer: Wi-Fi + Micro USB Protection Rating: IP53 Power Supply: 12 V Bosch Li-ion battery / 4 × AA batteries Battery Runtime: Up to 5 hours with Li-ion battery / approx. 2 hours with AA batteries Weight: 0.54 kg Dimensions: 233 × 95 × 63 mm Operating Temperature: -10°C to +45°C Description Thermo Camera Bosch GTC 400 C Professional is a professional thermal imaging camera designed to quickly detect and visualise temperature differences. It measures surface temperatures from -10°C to +400°C and uses a 160 × 120 pixel infrared sensor with 19, 200 measuring points. Its 3.5-inch display, Picture-in-Picture technology and Wi-Fi connectivity make it easy to identify, document and share thermal images. Ideal for: Electrical inspection, heating-system inspection, insulation inspection, heat-flow analysis, detecting overheated components, building inspection, HVAC work and maintenance applications.