Introducing the 2-in-1 LED Penlight With Pupil Gauge, a versatile and essential tool for medical first aid, work, camping, hiking, and emergencies. This penlight is designed with convenience and functionality in mind, featuring a Type-C USB rechargeable battery for easy charging on the go.

• Dual-mode functionality allows you to choose between white light and yellow light, depending on your needs.
• Crafted from durable aluminum alloy, ensuring long-lasting performance in any situation.
• The built-in lithium battery provides reliable power for extended use.
• Compact and lightweight design, measuring 136mm/5.35inch in length and weighing just 17g/0.037ib, making it easy to carry and store.

Specifications:
- Light Bulb: White or Yellow Light
- Power: 1W
- Battery: Built-in Lithium Battery
- Dimensions: 136mm/5.35inch X 13mm/0.51inch X 13mm/0.51inch
- Weight: 17g/0.037ib

Package List:
1. 1 X LED Flashlight
2. 1 X USB Cable
3. 1 X Box

Don't miss out on this must-have LED penlight that combines practicality with style. Get yours today and be prepared for any situation.