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Cast aluminum solar energy spike 1. shell material: aluminum alloy and PC Panel 2. power supply: solar panels (mono), power 0.3w, rated voltage 3. energy storage devices 1.2v: environmental protection-nickel-hydrogen battery: temperature of-50, + 80 degrees 4. light-emitting devices: φ 5 super bright LED light-emitting diode * 6 (double side) 5. glow color: yellow, red, white, blue, green, 6. blinking frequency: constant or Flash (Flash frequency 2Hz can be customized) 7. Visual distance: &163; 200 m 8. working mode: automatic charging during the day, automatic light the dark 9. use: standard light intensity according to the Sun at a time of 8 hours and 120 hours of continuous support 10. waterproof rating: IP68 11. effective use of the service life: 3 years 12. work: static pressure &163; 30 ton 13. environmental temperature:-20 °C 70 °C 14. outside dimension: 110 * 100 * 25mm 15. a single weight: 350 g/only