Specification: Product name: Type1/Type2/Type3. Led quantity: 5 LED. Battery: built-in 18650 lithium battery Charger: USB Charging . 4 Model: 1LED-4LED-5LED-Flash. Features: Mode 1: The main light is on. Mode 2: Four small lights are on. Mode 3: All lights are on. Mode 4: All lights are on and sos flashes. Packageincluded: 1*5LED headlights 1 x USB Cable 1.In order to ensure the service life of the product, please minimize the collision and friction. 2.The product has its own waterproof function, which can prevent normal water droplet spraying, and has a built-in rechargeable battery. In order to ensure the quality of the product, please try not to touch the water erosion. Instructions for use: 1. Built-in rechargeable battery can be fully charged before the first use, and the battery life will last longer. 2. Model introduction Click the switch once: low brightness. Click the switch twice: medium brightness. Click the switch 3 times: high brightness. Click the switch 4 times to turn on SOS mode. Usb charging Usb charges quickly, saves energy and is more efficient. It is suitable for the interface of most power supply products in the market and is convenient for your use. Four lighting modes Mode 1: The main light is on. Mode 2: Four small lights are on. Mode 3: All lights are on Mode 4: All lights are on and sos flashes. Product introduction Product parameter