The K1 is a very well made key-chain torch being cased in Stainless Steel. The main white LED is very bright and can only be turned on by giving a long press to the triangular button, then single presses to change intensity. The Red and UV LEDs are turned on by giving a long press to the square button and then single presses to alternate between Red and UV modes. A great little torch that is also IP65 waterproof.

The K1 is a very well made key-chain torch being cased in Stainless Steel. The main white LED is very bright and can only be turned on by giving a long press to the triangular button, then single presses to change intensity. The Red and UV LEDs are turned on by giving a long press to the square button and then single presses to alternate between Red and UV modes. A great little torch that is also IP65 waterproof.

The K1 is a very well made key-chain torch being cased in Stainless Steel. The main white LED is very bright and can only be turned on by giving a long press to the triangular button, then single presses to change intensity. The Red and UV LEDs are turned on by giving a long press to the square button and then single presses to alternate between Red and UV modes. A great little torch that is also IP65 waterproof.

A very good flashlight, but ultraviolet disappoints. Formally, it’s for show, it’s not pulling at 365 nm, it’s most likely 395nm. Even in the dark on money, he reveals little, not to mention daylight saving. Therefore, its purpose as an ordinary lamp shines very brightly for ...

A very good flashlight, but ultraviolet disappoints. Formally, it’s for show, it’s not pulling at 365 nm, it’s most likely 395nm. Even in the dark on money, he reveals little, not to mention daylight saving. Therefore, its purpose as an ordinary lamp shines very brightly for ...

A very good flashlight, but ultraviolet disappoints. Formally, it’s for show, it’s not pulling at 365 nm, it’s most likely 395nm. Even in the dark on money, he reveals little, not to mention daylight saving. Therefore, its purpose as an ordinary lamp shines very brightly for ...