1. Material: ABS, electronic components 2. Uses: outdoor sports events, traffic command, military training, pet training, emergency situations 3. Features: no air blowing, one-click sound, high decibel 4. Decibel: 110dB 5. Battery: LR44 button battery x 4 (battery included in delivery) 6. Support 110dB volume, loud and clear 7. High-density nano paint is used to create a fine particle touch and good anti-skid effect 8. Lightweight design, easy to carry 9. The wavelength is designed according to the structure of the ear canal, and the audio frequency is concentrated at 4000Hz 10. LED light design, power saving and bright 11. Tail hook design, easy to fix in the pocket, not easy to lose 12. Product size: 12 x 2 cm 13. Product net weight: 35 grams
