Model: ZY- D611
Photo source: Super elevation bright LED photo tube 8x2PCS (one-sided)
Flash frequency: 120/minutes
Light color: Yellow/ red Visual range: Is bigger than 500m
Power loss: Solar energy power supply, but above continue over working 15 cloudy rainy days

Model: ZY-D811
Solar cell power: 0.3W
Battery type: May  the nickel cadmium cell
Light source type: Ultra brightness
Electricity generation diode
Light source color: Yellow/ red Continuously cloudy rainy day work number of days: Above 15days
Visibility: Outside a kilometer