Solar road mark stud

Specification: Power type: Poly solar cell (2.5V/120MA) Battery:1.2V/800MAH,Ni-MH high temperature battery Work time: 72hours (when full charged) Dimension:Φ120x23mm Srength: 4000kg/cm Hosing material: solar cell and I.C (integrated circuit) covered with U.V coated polycarbonate Out case: Aluminum alloy Reflector color: yellow/bule/red/white/green LED output frequency: steady or flashin (2HZ+/-10%) LED visibility: Up to 500 metersg Lifespan: more than 3 years design life