Integrated audio and video recording with synchronized sound: Built-in microphone records clear audio that stays in sync with video, so recordings are easy to review and use as reliable documentation. Built-in Wi‑Fi hotspot and real-time video transmission: The integrated WLAN module provides secure, stable wireless streaming. View live footage on multiple platforms quickly and efficiently without additional networking hardware. High-capacity 900 mAh battery with flexible power options: The internal 900 mAh battery delivers extended runtime and long standby. Multiple power modes are supported and the device can continue recording while charging, reducing interruption during long sessions. Expandable storage up to 256 GB via TF card: Accepts a TF card (microSD) for local storage, supporting up to 256G to capture extended events and preserve important footage. How this helps you Reliable evidence capture: Synchronized audio and video and expandable local storage ensure important events are recorded accurately and retained securely. Remote monitoring made simple: The device’s Wi‑Fi hotspot and real‑time streaming let you check live feeds from other devices without complex setup. Uninterrupted operation: A 900 mAh battery plus the ability to record while charging provides continuous recording for longer tasks. Key attributes Function: Audio/video recording, live wireless streaming, local storage, continuous recording while charging. Compatibility: Works with TF (microSD) cards up to 256 GB and supports multi-platform access via the built-in Wi‑Fi hotspot. Performance: Synchronized A/V recording, stable Wi‑Fi transmission, extended battery life (900 mAh), and multiple power modes. Typical use scenarios Security and incident documentation: Record incidents with synchronized audio/video and store them locally on a TF card for evidence. Remote site monitoring: Stream real-time footage over the built-in Wi‑Fi hotspot to supervisors or mobile devices for quick inspections. Field interviews or inspections: Capture interviews or inspection walks with clear audio and continuous recording even when powering from an external source. This product combines synchronized recording, stable wireless streaming, expandable storage, and uninterrupted operation to meet needs for reliable capture and convenient remote viewing.