Introducing the Keychain Flashlight: a versatile and compact tool that will become your go-to companion for outdoor adventures. With its built-in 10W battery, you won't have to worry about replacing batteries. This waterproof flashlight is designed to withstand any weather conditions, making it perfect for all your outdoor activities.

Not only does it serve as a reliable light source with a lighting distance of 100-200 meters, but it also features a self-defense whistle for emergency situations. Its multifunctional design includes a survival whistle, bottle opener, keyhole, broken window hammer, and warning light.

Specifications:
- 10W Built-in Battery for long-lasting power
- Waterproof for outdoor use
- Multifunctional with self-defense whistle
- High Lighting Distance of 100-200 meters
- Lightweight and portable at only 45g
- Built-in polymer lithium battery (500mA)
- Additional functions: survival whistle, bottle opener, keyhole, broken window hammer, warning light

Package List:
1. Keychain Flashlight
2. Data cable
3. Hand rope

Get your hands on this versatile and reliable Keychain Flashlight today and never be caught unprepared again.