This is a 2-piece set of a USB rechargeable LED headlamp and a survival whistle. The headlamp is pocket-sized with an elastic strap and can be detached for separate use. It can be charged via Type-C when it gets a little dark, and with its 3-step angle adjustment and magnet, it should be useful in various situations, such as on car bodies. The orange part is the switch, and you can charge it by opening the cover. It is ultra-lightweight at 8cm long, 2.5cm wide, and weighs 44g. It is very bright, allows you to use both hands, and has two light patterns, making it ideal for outdoor activities, night fishing, and night work. This is an ABS material survival whistle in army green. It is a slim type measuring 7cm x 2.8cm x 7mm and weighing 8g, with a chain attached. The description mentioned a dolphin sound. Please also use this set with the light as an essential item for disaster preparedness.