This is the world's first solar powered scale. Features: • SOLAR AND RECHARGEABLE BATTERIES • AUTO OFF: 60 SEC. AUTO OFF • HARD PROTECTIVE COVER • 2 YEARS LIMITED WARRANTY • 4 WEIGHING MODES • AUTO OFF FUNCTION • TARE FULL CAPACITY Specs: • CAPACITY: 500G • READABILITY: 0.1G • WEIGHING UNITS: G, OZ, GN, CT • PLATFORM SIZE: 70 X 70 MM ( LXW ) • SCALE SIZE: 95 X 95 X 20 MM ( LXWXH ) • POWER SOURCE: SOLAR & BATTERY • WARRANTY: 2 YEARS LIMITED WARRANTY • AUTO OFF: 60 SEC. AUTO OFF