*Just crank...No batteries required
*Function of pedometer: Pedometer to show steps, distance and calorie; Maximum steps: 99999 steps; Maximum distance: 999.99 (km/miles); Maximum calorie: 999.99kcal; Auto counting steps (walking or jogging) and calculating distance, and calories burnt
*Function of the LED Flashlight: Lift handle and crank clockwise for 30 seconds; Return handle to closed position.

Slide on/off switch to power on or off; Each 30 second crank delivers over 5 minutes of light.
*Packing Details: Product Size: 46x38.5x14.5mm; Packing: 1PC/GIFT BOX; Meas: 20PCS/CTN: 32 x 26 x 26cm; Min. Order Qty: 3000PCS.