Taichi Holdings (KOBAN) Hand-Crank Charging + Battery Backup Radio ECO-3 When hand-cranked for 15 minutes Brand/Model: KOBAN / ECO-3 Dimensions: Width 104 x Depth 46 x Height 66 mm Weight: Approximately 180g Material: ABS resin Power Source (Secondary Battery): Electric double-layer capacitor (2.7V 10F) Power Source (Dry Cell): 2 x AAA batteries (sold separately) Radio Frequency: AM: 530-1600KHz FM: 76-108MHz (Supports Wide FM) Siren: Approximately 75dB Light: 1 x 5mm white LED lamp Although it is new and unopened, there may be scratches on the box due to home storage. Please refrain from purchasing if you are concerned about this.