*    Unit size: Ф120*50（mm）
*    Unit weight: 0.7KG
*    Material: Cast-aluminum
*    Solar panel: 2.5V/0.45W mono-crystalline silicon
*    Battery:  2 pcs 1.2V/600mAh NI-MH battery
*    LED: Epistar brand, Dia 10mm, 3pcs leds single side
*    LED color:White
*    Working temperature:  -25 °C ~ + 75 °C
*    Working mode: steady
*    Working time:  40 hrs for steady
*    Lighting control < 80 LUX, can be adjusted as ur request
*    Visibility: 800M
*    Protection level: IP68
*    Load bearing: 30tons