Features: Measuring Range: 4 * 90; Accuracy: 0.2; Unit: , mm/m, %, in/ft. Dual sides light scanning for horizontal positioning. Built-in magnets on 4 sides to secure the attachment to any iron surface. Easy-to-read digital rotatable display with backlight for quick viewing. With HOLD function to freeze the measurements, easy to check and record the data. Auto shut-off after 5 minutes without operation, energy-saving. Built-in 300mAh lithium battery, flexible to charge, more convenient to use.
