1.Battery: 1# Alkaline Battery
1.Environment temperature: -30℃~65℃
3.Working temperature : -1℃~30℃
4. Working Time: ≥2 hours
5. Working voltage: 6.0V
6.luminous intensity: ≥2 cd
7.luminous Type: Flashing
8.Flash frequency: 50~70/ min
9.Validity: 5 year