1、This distance measurement tool has the function of automatically calculating area and volume. 2、When using this measuring tool, manual calculation is not required, which improves the working efficiency. 3、Easy to use, operation with one button and one measure key. Convenient operation. 4、Hard‑to‑reaches areas, such as high ceilings, can be easily measured without climbing stairs. 5、Large LCD with backlit and multi‑display lines give you better visibility in dark areas. Condition: 100% Brand New Item Type: Distance Meter Material: ABS Purpose: Range finder Size: Approx. 10.5 x 3.5 x 1.5cm / 4.1 x 1.4 x 0.6in Accuracy: 0.002 m Plus or Minus Error: Approx. 2mm / 0.08in Measuring Range is 0.05-30 meters and the maximum is 40 meters Built-in battery :18650 rechargeable lithium battery (250mAh)(integrated) Operating Temperature: 0 ~ 40°C Automatic Laser: 15s Monitor: Backlit LCD 1 x Distance Meter 1 x Manual 1 x USB Charging Cable 1 x Rope