HOTO LASER PRO: Measures distance, angle, and area! Latest smartphone-linked laser Selling new items at a clearance sale. Price negotiations are not accepted. Product details are as follows: 5 modes: Distance / Angle / Height / Area / Virtual Ruler Accuracy up to 1/16 inch (2mm) Maximum distance: 164 feet (50 meters) Real-time data synchronization with the HOTO app Supports feet/inches and meters as units 1.8-inch LED large color screen 850mAh lithium battery Please check the link below for more details. https://www.brightdiy.jp/products/%E8%B6%85%E5%B0%8F%E5%9E%8B-%E9%AB%98%E7%B2%BE%E5%BA%A6-%E8%B7%9D%E9%9B%A2-%E8%A7%92%E5%BA%A6-%E9%9D%A2%E7%A9%8D%E5%85%A8%E3%81%A6%E3%81%93%E3%82%8C%E4%B8%80%E3%81%A4%E3%81%A7%E6%B8%AC%E5%AE%9A%E5%8F%AF%E8%83%BD-%E6%9C%80%E6%96%B0%E5%9E%8B%E3%82%B9%E3%83%9E%E3%83%9B%E9%80%A3%E6%90%BA%E5%BC%8F%E3%83%AC%E3%83%BC%E3%82%B6%E3%83%BC%E5%BC%8F%E8%B7%9D%E9%9B%A2%E8%A8%88-hoto-laser-pro-1