Function parameter:
Name: Fire-fighting equipment indicator
Input voltage:
AC220V±15% 50Hz±3HZ
Power: ≤10W
Brightness:
double-sided display≥220cd/m²
Luminous surface: double-sided
LED: imported Taiwan Epistar chip LED
Working temperature: -27℃ ~ +70℃
Environmental humidity: 10% ~ 95%RH
Size: National Standard 250mm*400mm
Visual distance: >500m
Waterproof: IP65
Pattern basis: JTG D70_2-2014 Highway Tunnel Design Code
With adjustable telescopic bracket, aluminum alloy frame
Comprehensive score