Main Features: - Three timing available: 15 minutes, 30 minutes, always on.- Small size, easy to carry and store.- Super intensity ultraviolet sterilization, UVC 253.7nm radiation intensity from the b..
LED wavelength: red (620-630 nm), blue (460-470 nm). The wavelength of the light emitted by this red and blue growth light can be completely absorbed by the plant from seedling to harvest, which is be..