Whistle Coach Referee Ho 8 Pieces Whistle Ultra Light Disaster Prevention Relief Emergency Whistle Gym Camping Hiking Referee Accessories for Children

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. Made of safe materials that do not contain harmful substances such as environmental hormones. The material is highly durable, so you can use it with confidence for a long time. Each whistle also comes with a lanyard so you can easily hang it around your neck or hang it on the wall. It doesn't fall even when moving. The whistle sound is loud, crisp and clear, so you can carry it over long distances. It can quickly attract attention. This whistle is super lightweight but very reliable. It's very easy to carry. These whistles are suitable for emergency, school, coach, training, referee, teacher, survival, gym, etc. It can also be applied to referees, coaches, instructors, sports, etc. This product is a set of 8 whistles in different colors. It can be used in any scene. It is also good to use it as a gift.