[Electronic Whistle with Flashlight]: Compared with the traditional whistle, the handheld electronic whistle can avoid touching your mouth, which is more effortless and convenient, making it the in any period. With built-in torchlight it could be a perfect emergency tool. [Package Accessories + Multipurpose]: Outdoor electronic whistle is a great gift for coaches, judges, teachers, also suitable for camping, hiking, outdoor, traffic guide, pet training, sporting events. Multifunctional Electronic Whistle Rechargeable PE Teacher Football Referee Whistle Flashlight Supply Training Equipment Name: Multifunctional Electronic Whistle Size: 27.5 x 27.5 x 128MM Weight: 65.8G Voltage:Output 3.7V, input 5V1A Maximum volume:≥130db Color: B: White Material: ABS Package Contents: 1 * Whistle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.