What is PTT funtion?. The PTT function is for resolution switch. 720P/1080P/1296P/1296P. Police ID： 7 digital (can be edited). Stealth Mode： Supported. Short pressing the "Audio" button to back to standby mode.

➧4K HD video, helping you collect clearer videos. Voice synchronization when recording video. Main features: WiFi, video recording, photo taking, audio recording, loop recording, motion detection, infrared night vision, file viewing, file deletion, formatting, back clip.

➧4K HD video, helping you collect clearer videos. Voice synchronization when recording video. Main features: WiFi, video recording, photo taking, audio recording, loop recording, motion detection, infrared night vision, file viewing, file deletion, formatting, back clip.