產品編號 Product Code：* CO (Carbon monooxide), Temperature.
* CO (Carbon monoxide), Temperature.
* CO range : 0 to 1,000 ppm.
* Temperature. : 0 to 50 oC, oC/oF.
* CO response time : 30 seconds.
* Data hold.
* Alarm beeper.
* DC 1.5V battery (UM-4, AAA) x 4.
* Pen type easy carryout.
