Efficient : The GT1210 detector utilizes sensitive sensors for rapid measurement of multiple types , stable readings in various environments after a brief 60 second initialization phase Compact Versatile Unit : Lightweight ABS construction ( 8.5x5x2cm ) with easy to read display offered in black / white / yellow preferences , excellent for portable assessment during inspections and environmental air analysis Long Lasting Utility : Equipped with an integrated high capacity power cell indicated by color shifting power stage markers ( active / complete ) , ideal for extended use in workplaces , living spaces , or scientific laboratories Efficient power Management : Conserves power with configurable shutdown pauses ( 20 / 40 / 60 minutes or disabled ) , while the visible condition indicators display current settings for effortless User Friendly action : Activate / deactivate by holding the power button , with straightforward controls for alarm configuration , screen lighting , and temperature scale selection, Manufacturer: TSMORY