7.5" W x 1.75" H_x000D_ _x000D_ • ABS Plastic_x000D_ • Adjustable strap with hook and loop fastener_x000D_ • Two working modes: on and flashing_x000D_ • Press the button once for constant light, press again for flashing light and press a third time to turn the light off_x000D_ • Great for running, walking, hiking, walking the dog and cycling_x000D_ • LED lights provide 70 continuous hours of use_x000D_ • Two 'CR3032' batteries (included/inserted)_x000D_ • Instructions included_x000D_ _x000D_ PAD 1C – 2" W x 0.5" H (front)