This multifunctional rechargeable electronic whistle integrates LED flashlight and electronic whistle 2-in-1 design, portable and lightweight for easy carrying anywhere. Loud and clear electronic whistle sound, ideal for pet training, sports referee command, traffic control and crowd management. It can send out clear distress signals in the wild, perfect for outdoor survival, hiking, camping and emergency rescue situations. Built-in high-brightness LED flashlight, provides stable illumination for night walking, outdoor activities and daily emergency lighting. USB rechargeable design saves battery replacement trouble, energy-saving and long standby time. Compact body, durable material and easy to operate. It is a practical essential tool for referees, traffic staff, outdoor enthusiasts, pet owners and family emergency preparedness.