Thermal printing or direct thermal printing is a digital printing process which produces a printed image by selectively heating coated thermochromic paper, or thermal paper as it is commonly known, when the paper passes over the thermal print head.
We provide cctv camera services in very best price in all over India. Closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band.
A hidden camera or spy camera is a still or video camera used to record people without their knowledge. Hidden cameras may be used for household surveillance and may also be used commercially or industrially as security cameras.