1. Product introduction:
The telescopic temporary inspection warning screen of this equipment is a safety warning protection equipment with warning signs, LED text display, alarm, voice playback and warning lights. The alarm and text information prompt are carried out simultaneously, the visual distance is long, and the warning effect is good. Effectively play real-time road condition information prompts, early warning and other functions, while improving the safe driving of road vehicles. Used for police inspection, accident and construction site warning.

LED telescopic temporary inspection warning screen
2. Product features:
It has functions such as text display, information release, foldable, liftable, siren warning, language playback, etc., with good warning effect and easy to carry.

3. Product parameters:
       1. Composition: It is composed of warning signs, warning screens, warning lights, alarms, horns and frames.
       2. Weight: not more than 19.6kg (including warning lights).
       3. Specifications: The overall dimensions of the warning sign after being folded are: (775mm×375mm×100mm)±10mm (length×width×height)
       4. The height of the warning sign after unfolding is: (1320±10) mm
       5. The expanded angle of the warning sign is: 75±2°
       6. The size of the warning sign text display screen: 320mm×640 mm
       7. Text: You can import text information display screen content through U disk.
       8. Sound: It has a siren warning tone, and the voice broadcast function can be imported through the U disk, and the warning effect is good.
       9. Night vision distance: When the warning light is turned on, the flashing effect of the warning light can be seen at a distance of 300 meters from the prototype.
       10. Working time: After the warning light is fully charged, the continuous discharge time in flashing mode should not be less than 60h.
       11. Protection level: The protection level of the shell of the warning sign should meet the requirements of IP65 in GB/T 4208-2017.

1. Screen body parameters:
² Display size: 320*640mm (screen display)
² Weight: 19.6KG
² Power supply: 1) 12V maintenance-free lithium battery power supply
              2) Battery capacity 60AH
              3) 220V charging power supply
² Current: 10 A/max
² Working temperature: -20℃ - ＋60℃

2. Warning light parameters:
² Base color: red and blue
² Light source form: 4 groups of 44 high-power high-brightness LED strobes
² Life: ≥100,000 hours
² Sight distance of warning lights: ≥1000 meters

 3. Alarm parameters:
1. Input voltage: DC12V
2. Maximum current: 8.5A
3. Speaker power: 150 W * 2 groups
4. Siren frequency: 400Hz ~ 1600Hz

 4. LED module technical parameters:
1. Module size (mm): 640*1280
2. Pixel pitch (mm): 10mm
3. Pixel density (dots/square meter): 1000
4. Pixel composition: 1R
5. Module resolution: 32*16
6. Maximum power (W/m²): 700
7. Average power (W/square meter): 200-300
8. Brightness (cd/square meter): ≥3500
9. Refresh rate: 480HZ
10. IP protection level: IP65
11. Viewing angle: The best viewing angle is 90-130 degrees horizontally, 30-45 degrees elevation angle, and 10-20 degrees depression angle
12. Viewing distance of LED display: 300-450 meters
13. The brightness uniformity of the display module: <5%
14. Text input method: Disk U computer input control
15. Storage content: 200 pieces of information
16. Display effect: move left, move right, move up, still, etc.
17. Brightness adjustment: 16 levels adjustable
18. Remote control function: remotely turn on/off the subtitle screen, switch subtitle information
19. Pixel out of control rate: <1/100000 (industry standard: <1/10000)
20. Average trouble-free working time: >10000 hours
21. Service life: >100000 hours
22. Operating environment temperature: -10℃～+60℃
23. Use environment humidity: 10%～90%

5. Packing box parameters:
1. Carton size: 800mm×420×140mm±10mm
2. Material quality: carton
3. Weight: 21kg±0.5kg