Description:
High quality aluminum housing made it is very durable and lightweight to carry. it use 1 x 18650 battery(not included). It can use to check for counterfeit paper money bills, detect blood fingerprints or body fluids. With a wrist strap, very easy to carry. It will bring you a lot of convenience.

Features:
1. Aluminum shell is very durable and lightweight to carry.
2. For outdoor activities such as mountaineering, camping, survival, fishing etc. 
3. At a wavelength of 395-410nm, it can check counterfeit paper money bills, detect blood fingerprints, body fluids, gunshot residues, etc.
4. Switch at the bottom, simple on/off push button operation.
5. Equipped with a wrist strap for convenience to carry.

Specifications:
Material: Aluminum Alloy 
Package Weight: approx. 85g
Color: Black
Battery: 1 x 3.7V, 18650 battery (not included)
Working Voltage: Below 4.2V
Quantity: 1pc

Package Included:
1 x Flashlight with Wrist Strap

Note: 
Charge at least 6 hours at first time, never overcharge or over discharge. 
Do not operate under pressure above 4.2V. 
Never open the PCB board unless you are a professional.
Overheat will damage the PCB, please keep it cool.