YHJ3.7（AIntrinsically Safe Audio-Video Recording Device

YHJ3.7(A) Intrinsically Safe Audio-Video Recorder, a 4G audio-video recorder designed for intrinsic safety, offering data upload, infrared night vision, GPS/Beidou positioning, NFC, and two-way voice communication features. Explosion-proof markings include Coal Mine: Ex ibI Mb, Chemical Industry: Ex ib IIC T4 Gb, suitable for wide application in coal production, petrochemicals, refueling, and fire rescue emergency response.

4G Video and Audio Recorder68Ingress Protection (IP) ratingContinuous recording time exceeds 4 hours; facial recognition is possible at a distance of 4-5 meters at night, and human silhouette recognition at 10 meters. Equipped with NFC functionality, it supports identity recognition and ID card scanning, with the ability to identify up to 0-5 meters away. It also features alarm sounds and flashing lights for alerts. The YHJ3.7(A) can be operated through a monitoring client's operational platform, enhancing patrol efficiency with network video monitoring. It provides global Beidou positioning and 4G wireless transmission capabilities for security supervisors, allowing real-time video transmission and recording over 4G networks at any time and place, meeting the needs for quick supervision. This is beneficial for improving work efficiency and supervision.