Appearance Name	S39 4G badge
Series Model	S39

processor	MTK6769 12-nanometer 8-core 2.0GHz high-speed, low-power processor
operating system	Android 12
Screen size	2.3 Inch multi-touch screen
Default battery capacity	1900mAh
Optional battery capacity upgrade	no
charging duration	3 hours
Continuous recording duration	about 7.5 hours
standby time	about 7.5 hours
anti-shake	no
image format	MP4
compression format	H.264/H.265
Video size	Maximum 2K(2560*1440)30FPS
photo format	JPEG
horn	1W
body memory	Standard 2+ 16G, expandable up to 512G
Rear camera (auxiliary AF)	no
Front camera (screen)	no
Rear camera (main)	400W
Photo size	Maximum 54 million
noise reduction module	not support

laser lamp	no
alarm lamp	no
infrared lamp	no
white light Lamp	have

charging interface	Type-C
headphone jack	Type-C
G-sensor	support
vibration motor	not support
external camera	support
charging base	not support
charging method	Complete line charging
charger	5V-2A
USB interface	USB 2.0

Sim/TF Card Slot	Single Sim dual TF(including encryption)
WIFI	WIFI5.8 a/b/g/n/ac
Bluetooth/433	BT5.0(BR/EDR + BLE) supports Bluetooth remote control, Bluetooth voice, Bluetooth tag positioning, etc.
positioning	(Optional Beidou) Multi-mode Global GLONASS+GPS+Galileo+Compass
compass	support
air pressure sensor	support
temperature sensor	support
ambient light sensor	support
NFC	no
encryption card	support

Length (mm)	90
Height (mm)	36
Thickness (mm)	15
Weight (g) Approx	70

video intercom	Support law enforcement instrument to platform single and two-way video intercom, support law enforcement instrument end-to-end single and two-way video intercom (requires integration of third-party software SDK)
Voice cluster intercom	Support group intercom, end-to-end intercom
voice broadcast	Support TTS voice broadcast
voice control	Currently, it can only support Chinese, and other languages need to integrate third-party speech algorithms or secondary development
Facial and license plate recognition	support
network standard
Platform Administration software	Support real-time preview/real-time positioning/trajectory playback/intercom/monitoring/remote command issuance, etc.(support secondary development of API calls, independent platform deployment, or secondary independent development of independent key values)
text overlay	Support stacking time, equipment number, law enforcement officer number, location information, speed information, and support stacking in Chinese
Command and dispatch platform docking	Support protocols: Support platforms such as 808, GB/T28181, RTMP, RTSP, ONVIF protocols and other mainstream protocols in the market to connect with audio and video, intercom, and location device information.

Video extension	support
Video pre-recording	support
Impact alarm	Support airbag security. The product needs to have a G sensor, which can record drops and record collisions. If it has a 4G function, it can be linked in the background.
video encryption	Supports AES256 encryption-SHA1-SHA2
night vision	Automatic or manual night vision switching, support for high-power red lights
fill light	Support the use of white LEDs for auxiliary lighting in dark situations.
menu language	Default Simplified Chinese/English (other languages can be customized)
USB flash drive function	Drive mode: After connecting to the computer, you can enter the USB flash drive mode (removable hard disk) through the upper computer on the PC side; Non-drive mode: After connecting to the computer, directly enter USB flash drive mode (removable hard disk); one of the two modes can be selected
continuous shooting function	The supporting device can take more than 10 photos continuously at one time
Key Document Marker	You can mark this video file by pressing the corresponding button during the recording process;
One-click shortcut function	Support one-click quick start of recording, one-click start of recording function (no need to start the power button separately)
password protection function	support
in-vehicle functions	Support vehicle-mounted certificate collection, and realize automatic video recording and evidence collection when the car ignites and turns on, and automatic shutdown after parking and flameout.
Shooting in the middle	During the recording process, press the shoot button to take a photo individually
acquisition station	Support collection station and background management 1. Operation logs;2. Data collection and classification
data security management	Law enforcement recorders have different authority management. Primary authority can only view and playback law enforcement videos, photos, and recordings, and cannot delete or modify sensitive settings of the machine. Sensitive settings of the machine can only be made through password verification, and can only be copied, modified or deleted after connecting to a computer.
automatically overwritten	Support automatic override/non-override
Close beat mode	Support no indicator light display and no sound reminder mode.
safe mode	Safe mode is limited to basic operations such as recording, taking photos, and recording. A password is required to enter the settings interface and playback interface.

protection grade	IP50 fell 2 meters
injection molding process	Two-color mold process (anti-crack)
operating temperature	-20~55℃
low-temperature compatibility	Corresponding low-temperature batteries should be prepared for inspection and low-temperature areas. The low-temperature-30 ℃ battery life of a single battery should be more than 2 hours. Normal temperature batteries should be standard. Normal temperature batteries and low-temperature batteries have different densities and operating environments.
Storage relative humidity	63%(30℃)
storage temperature	-40~60℃
operating relative humidity	40%~80%