It is a beneficial tool for experts, collectors, enthusiasts. Flashlight Type:Short wave UV Flashlight. 1x High Power Short Wave UV Portable LED Flashlight. LED Color: UV 255nm/275/295 /310 /320. Fluorescent mineral stone check.
Frequency is between 250-260nm (Generally close to 255nm,254nm). Wavelength:250nm -260nm (Generally close to 255nm,254nm). It is a beneficial tool for experts, collectors, enthusiasts. LED Emitter: LED.