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 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 User Friendly action: Activate/deactivate by holding the power button, with straightforward controls for alarm configuration, screen lighting and temperature scale selection 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 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, Manufacturer: WangWeN