Product Name: Compact and Rugged Coal Mine Use Digital Camera Model NO.: ZHS1800 Feature: Waterproof / Weatherproof Certification: ISO9001: 2000 Kind: Autofocus Lens Sensor: CMOS Type: Video Camera Technology: Intrinsically Safe Minimum Focusing Range: 30cm Storage: 4GB Highest Resolution: 5184*3456 Sensor Type: High End CMOS Sensor Media Transfer: to Any USB Device Focus: Automatic Video Processor: Digic 4 Effective Pixels: 18 Mega Pixel 18 Mega Pixel: 3"TFT Color Battery Time: More Than 4 Hours Trademark: Topsky Specification: SGS Origin: Beijing Product Description Model: ZHS1800Brand: Beijing TianbidaApplication:There are many applications for ZHS1800 Intrinsically Safe Digital Camera. These applications include the investigation of coal mine disaster and daily geological record, underground and ground image photography.Applicable department: Ministry of coal mine safety, rescue brigade, government safety bureauZHS1800 provides a video overview of the environment and share high quality images for detailed collaboration.Key Feature:It is compact and ruggedIntrinsically safeCreat visual and audio records in the hazardous areaHigh resolutionHigh performance auto-focus lens for even sharper imagesAnti-shake technologyUSB file transfer