MT-30 Digital Luxmeter, LCD Display Light Meter with Screen Locking Function for Factory, Warehouse, School, Office, Street Lamp Construction, Laboratory and More, + 1 x User - Brrnoo, Brrnook5yp2fn8av

• [Screen Locking Function] With a screen locking function, this device allows users to freeze the measurement display for convenient reading and analysis. [Power-saving Design] Equipped with an automatic power-off function after 15 minutes of inactivity, this instrument conserves energy and extends battery life. [Automatic Range Switching] The luxmeter offers automatic ranging and the flexibility to manually switch measurement ranges, ensuring readings in various settings. [Battery Detection System] The luxmeter automatically detects low battery levels and displays a warning symbol, prompting users to replace the battery in a timely manner to avoid interruptions. [Large Lcd Screen] This luxmeter features a large lcd screen that displays accurate light measurement values, making it easy to read and understand.