1. Material: aluminum alloy, electronic components 2. Uses: outdoor sports events, traffic command, military training, pet training, emergencies, lighting 3. Sound mode: medium-rated whistle, high-frequency whistle 4. Battery capacity: 500mAh lithium battery 5. Battery life: 400 minutes 6. Charging time: 2-3 hours 7. Protection level: IP54 8. USB charging, convenient and fast 9. Tone control switch design, two tone tones, one-button adjustment 10. Built-in lamp beads, can be used as a flashlight 11. Product size: 13.3 x 2.5 x 2.3 cm 12. Product weight: 65 grams Packing list:-Electronic whistle x 1-Neck rope x 1-Belt x 1-Hand strap x 1-Charging cable x 1-Charger x 1
