MAG Digital Solar Dual Power Urethane Slightly Smaller Suitable for S Silver Radio-Controlled Watch, Waterproof, Strap, Size, Children, MW-550A

Case size: 48mm (height) x 41mm (width) Enhanced water resistance for daily use: 10 ATM Dual power operation using solar power and lithium battery (automatic switching) Wrist size: 14.0cm~22.0cm Light function (the light turns on for 3 seconds when the light button is pressed)