Feature: 1. Aluminum Alloy Material: LED pocket pen light is made of premium aluminum alloy material, strong and durable, metal texture, beautiful and durable. 2. Small and Portable: LED pen light is lightweight and compact, so you can take it anywhere for emergency lighting. Can be tucked into a clothing pocket. 3. Tail Press Switch: LED pocket pen light is simple to operate, with a switch at the tail, which can be turned on or off by pressing the switch. 4. Type C Fast Charging: LED pocket pen light adopts the Type C fast charging design and is compatible with a variety of devices. 5. IPX4 Waterproof: LED pen light has a life grade waterproof grade, and the lamp body is well sealed to guard the internal circuit structure. Specification: Item Type: LED Pocket Pen Light Material: Aluminum Alloy Size: Length: Approx. 130mm/5.12in Switch: Tail Press Switch Battery Type: 10440 1 x Battery Battery Capacity: 350mAh (Shipped with Built in Battery) Charging Method: Type C Charging Zoom Method: Fixed Focus Waterproof Grade: IPX4 Luminous Flux: 30lm Firing Range: 5-10m/16.4-32.8ft Features: LED Dual Light Source with Pen Clip, Small and Convenient Shape, Easy to Carry Charging Time: 1-2 Hours Battery Life: 10-15 Hours. Package List: 1 x LED Pocket Pen Light1 x Data Cable Note: Please allow some error in manual measurement.