1. Aviation-grade light-sensing energy-concentrating panel, no charging required, rotates only in sunlight. 2. 360-degree free rotation. 3. Nano-adhesive, sun-resistant and residue-free, suitable for rough surfaces, leaves no residue after removal. 4. High temperature resistant, odorless even after sun exposure, does not discolor, does not deform, and is not afraid of sun exposure. 5. Silent motor, turbine power, noise reduced to 25dB. 6. Smooth, rounded stitching throughout, no sharp edges to cut hands. 7. Dimensions: 85x85x48mm 8. Weight: 35g
