Features: 1. The electronic whistle can avoid mouth contact, very suitable for referee coaches, P.E. teachers, navy, outdoor camping, sports competitions, pet training, emergencies. 2. There are 3 shades, 3 levels, which can meet different needs. High volume, can provide up to 120-150 decibels of sound power. It is easy to get noticed while also being louder, stronger and more consistent than traditional whistles. 3. An LED light, which can be used for lighting or outdoor camping. It can also be used as an emergency flashlight, and can also send out SOS lights, which is convenient for outdoor distress signals. 4. This electronic whistle is made of high-quality ABS environmental protection material, odorless and healthy. 5. Using 6F22 dry battery, the use time is longer and more durable. Specification: Material: ABS Product Color: Orange, Red, Blue, Green Yellow Product Size: 14 x 4 x 3cm Product Weight: 133g Package Included: 1 x Electronic Whistle 1 x Manual