Main technical parameters Processor: Dual Core Processor(Hi3516D V300)+ 1G memory + 16G flash Operating system: Linux Operating system Storage: Support TF card storage Viewing angle: Vertical viewing angle: 30°; Horizontal viewing angle: 30° Sensor: 1/2.8″ Progressive Scan CMOS(IMX307) Lens: 6mm Speaker: voice playback content can be customized Measurement range: 16℃-40℃ (Indoor without wind) Specifications Temperature measurement Lens: European original lens …