Cast Aluminum Housing: Pressure resistant, Max. load capacity can be 20T.
ABS Reflector: reflecting the lights of the car, easy to identify.
Monocrystalline silicon solar panel: absorbs sunlight and converts light energy into electrical energy. Induction of external light intensity and control of the circuit to work or stop，achieve the effects of charging during the day and automatically blinking at night.
Single-Chip Microcomputer: including resistance, capacitance, high-brightness LEDs etc. and charging and discharging process of control system.
Battery - Receives, stores and releases electrical energy.
Epoxy Resin Sealant-sealed to make the overall waterproof, high temperature and corrosion resistant.