Translation of law enforcement instruments

Technical parameters:
 1、Size(except back clip): ≤120mm*80mm*40mm;
 2, screen: 2.4 inches;
 3, screen resolution: 320 * 240;
 4, color: black;
 5, Quality (except the back clip): ≤ 220g;
 6, the device should have USB MicroB type and USB Type C type data interface;
 7, with self-test (program) and reset function;
 8, framing preview function: the device automatically enters the framing preview mode after powering on;
 9, recording function: in the view preview mode, press the corresponding key, the device should automatically start recording video and audio information; press the stop key, the device should stop recording and save the recorded content;
 10, recording function: in the view preview mode, press the corresponding key, should automatically start recording audio information; press the stop button, the device should stop recording and save the recorded content;
 11, photo function: in the view preview mode, press the photo key, should be able to take pictures;
 12、Storage function: store logs, pictures, video and audio information;
 13, audio and video synchronization recording function: audio and video playback, digital audio relative to the video image should not have a significant lag or overrun. The out-of-step time of the video and audio signals should be less than or equal to 1s;
 14, with time and other ways to browse and playback of the machine's stored video and audio, audio, photos and other information.
 15, can automatically superimpose information in the recorded video and the photos taken, information including: product serial number, time, etc.;
 16, with sound and / or vibration mode operation prompt function, including but not limited to on / off prompts, recording start / stop prompts and recording start / stop prompts.
 17, state indication function: the device should be able to display the battery power, charging status, system time and storage capacity and other information; power-on, recording, recording status should be obvious light indication, power-on status indication should be green, recording status indication should be blue, recording status indication should be red;
 18, abnormal alarm function: the device should have a battery undervoltage, storage overflow alarm function, battery undervoltage alarm after the remaining battery capacity should be able to ensure that the device normal recording not less than 5min, but not more than 30min;
 19, data integrity features:
 The device should protect the stored data, the stored data should not be deleted and overwritten by the machine or unauthorized equipment;
 Encoded video streams should be anti-tampering, anti-illegal copying and other authentication measures (such as: watermark overlay) to ensure the integrity of the original data. Equipment should be able to restart in the event of abnormal problems, after restarting the saved data should not be lost or damaged;
 20, logging function: the device can automatically run state, on / off time, recording start time, recording start time and photo time and other operations such as logging, logging should be accurate, logs should be read and cleared through the authorized device operation is completed.
 21, color reproduction function: in the ambient illumination is not less than 800lx conditions, the equipment display and playback screen color should not be photographed with the color of the color of the object has obvious color deviation phenomenon;
 22, charging instructions: equipment charging with obvious charging and completion status instructions;
 23, parameter setting function: the device should be able to set the alarm number, time and other information through the random software or management platform;
 24, information upload function: with upload data information function, upload information should at least contain: recorded audio and video, photos, logs, internal time and memory capacity information;
 25, information download and receive function: the device should have the function of downloading/receiving data information, download/receive information should contain at least.
 (a) used to calibrate the product calendar clock information, should include "year, month, day, hour, minute, second";
 (b) used to set the product work mode information, such as: read recorded data, delete recorded data control instructions;
 26, video and audio pre-recorded features: can be pre-recorded in the nominal maximum resolution before the trigger is greater than or equal to 10s of video and audio information;
 27, key file marking function: in the process of recording should be able to mark the key file by one-key operation, the marking method should be the original file name contains "IMP", the marked file should be able to retrieve the management platform, and can be distinguished from other files;
 28、One-key switching function: it can start recording after pressing the recording key to save the current video file during recording, and start recording after pressing the recording key to save the current recording file during recording;
 29, capture function: with capture function, in the process of recording capture and video resolution of the same photo should not affect the normal recording;
 30, wireless transmission function: the device should be built-in SIM card, through the 4G/5G network or WiFi will be video, pictures, recordings and other data transmission to the management platform;
 31, network: support TD-LTE, FDD-LTE, TD-SCDMA, CDMA (EVDO, 2000), WCDMA, GSM (GPRS);
 32, satellite positioning function: the device can receive satellite data and provide positioning information, should give priority to the use of Beidou satellite navigation and positioning;
 32, display size: the device should have a color display, the display diagonal size should be greater than or equal to 3.81cm (1.5in);
 33, field of view: ≥ 90 °;
 34, video image quality: the video information recorded by the device in the display and playback, the video image should not be obvious defects, the image edges when the object moves should not be obvious jagged, hair pulling, fracture and mosaic and other phenomena;
 35, battery operating time: ≥ 8h;
 36, boot time: ≤ 30s;
 37, audio quality: the audio information recorded by the device should be clear and smooth during playback, there should be no obvious pause or ambiguity;
 38, voice broadcast function: the device should be able to open the video/recording, the end of the video/recording, key document marking and other operations for real-time voice broadcast;
 39, external camera function: support for external camera for video recording;
 40, SOS function: with a key emergency call function. After receiving the call signal, the management platform should send out alarm prompts, display the location of the device, open the video and audio calls between the alarm device, and support to send alarm location information to the devices in the group;
 41, voice call function: the device should support voice calls with other devices in the group;
 42, video call function: support video calls with other devices in the group;
 43, voice broadcast function: support to other devices in the group to force the insertion of voice broadcast;
 44, message sending function: support and other devices in the group to send each other text, voice and pictures and other information;
 45、Electronic fence function: when the device exceeds the preset operation area, the device should issue a voice alarm prompt and send an alarm signal to the management platform;
 46. Command receiving function: it can receive the picture, video and text commands issued by the management platform, and automatically turn the text into voice for broadcasting;
 47, command correlation function: the device should generate the command number after receiving the command, support the start of the video, and automatically associated with the command to upload the management platform;
 48, remote operation function: support through the management platform to realize remote start/stop video recording operation;
 49, remote upgrade function: the device should support receiving the upgrade package issued by the management platform for upgrading;
 50, resolution remote setting function: support through the management platform to remotely set the resolution of video storage.
 51, face recognition function: in the view preview mode, the device should automatically compare the captured face with the background face library, and prompt the comparison result through sound and vibration, and at the same time upload information such as capturing device, capturing person, capturing time, capturing picture, location, etc. to the management platform;
 52. One-key translation function: support one-key access to the application module of translation function;
 53. Text translation function: under the state of networking, the device should support translating the input source language text into target language text;
 54. Picture text translation function: under the state of networking, the device should support translating the source language text in the captured picture into the target language text;
 55, translation support languages: 112 including Albanian, Arabic, Bulgarian, Polish, Danish, German, Russian, Finnish, French, Khmer, Kazakh, Dutch, Korean, Czech, Cambodian, Croatian, Latin, Romanian, Lao, Hmong, Burmese, Bengali, Malay, Mongolian, Norwegian, Nepali, Portuguese, Swedish, Japanese, Slovak, Somali, Serbian, Slovenian, Thai, Turkish, Ukrainian, Uyghur, Uzbek, Hebrew, Hungarian, Greek, Spanish, Yiddish, Hindi, Vietnamese, Indonesian, Italian, English, Simplified Chinese, Traditional Chinese;
 56. Translation response time: ≤3s;
 57, the video recording will not be interrupted when the translation is carried out during the video recording.