TAS-Z1 adopts a new ranging system, with a longer measurement range and faster speed. Laser pointing technology on the same vertical axis provides more accurate alignment. Full number + letter keyboard for faster input. The latest circuit design reduces battery power consumption. A brand new ranging circuit system adopts an ultra-low noise broadband amplifier with independent intellectual property rights, greatly improving measurement accuracy. Dual-face keyboards with buttons illumination to minimize mistakes provide optimum viewing and convenience under any environmental conditions.