This laser tape measure supports long distance, area, volume, pythagorean, continuous measuring methods, 99 groups of data can be stored for retrieval. Type-C Rechargeable: Our OLED screen are clearly visible even in dark conditions, and can be rotated in 2 directions for easy reading of data.1 full charge handle up to 3000 measurements.The rangefinder is equipped with a Class 2 laser with a laser power of andlt;1MW. Our measuring tool combines double-sided scale 16ft tape measure with 393ft laser measure, equipped with Class II laser(620-690nm) for 1/12 inch precise measurements. This green laser calibration line offers a crystal-clear visual to align and mark.switch 4 units seamlessly including M/IN/Ft/and ft/in.Automatically shut down laser if no operation within for power saving. Provides strong protection against solid particle ingress and water splashing.can cater to a spectrum of measurement environments needs. Color: Black Material: plastic Package Contents: 1pcs * digital tape measure Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.